on
on in 30 Seconds
- Primarily indicates physical contact with a surface, such as a floor, wall, or table, serving as a foundational preposition of place.
- Essential for specifying days of the week and calendar dates, helping to organize schedules and time-based events clearly.
- The standard preposition for electronic media and technology, including television, radio, telephones, and the internet.
- Used for larger public transportation like buses and trains, and for states of being such as 'on strike' or 'on holiday'.
The preposition on is one of the most fundamental building blocks of the English language, primarily used to denote a relationship of position, contact, and support. At its most basic level, it describes an object that is physically touching a surface and is supported by that surface, whether it is horizontal like a floor or vertical like a wall. Understanding 'on' requires a grasp of spatial awareness where one entity serves as the foundation for another. This concept extends from the physical world into the digital and abstract realms, where we describe data being 'on' a hard drive or a person being 'on' a committee. The versatility of 'on' makes it indispensable for daily communication, as it bridges the gap between simple location and complex states of being.
- Physical Surface
- When an object is placed atop another, such as a cup resting on a coaster or a rug lying on the floor. The key is the physical contact between the two surfaces.
Please put the documents on my desk before you leave today.
- Electronic Media
- Used to describe content being displayed or stored on devices, such as a movie on television, a song on the radio, or a file on a computer.
Beyond physical surfaces, 'on' is the standard preposition for specific days and dates. We say 'on Monday' or 'on July 4th.' This usage helps organize time into discrete, flat units that we can 'place' events upon. In more advanced contexts, 'on' indicates a state or process, such as being 'on strike' or 'on fire.' This suggests that the subject is currently experiencing or participating in that specific condition. The word also appears in directions, such as 'on the left' or 'on the way,' providing a sense of orientation relative to a path or a viewer's perspective.
The painting on the wall was painted by a local artist.
- Attachment
- Used when something is attached to or hanging from something else, like a ring on a finger or an apple on a tree branch.
There is a beautiful butterfly sitting on that flower.
I saw a very interesting documentary on Netflix last night.
We are going to have a big party on Saturday night.
Using 'on' correctly involves identifying whether you are talking about space, time, or a state of being. In spatial terms, 'on' is used for surfaces. This includes horizontal surfaces like tables, floors, and shelves, as well as vertical surfaces like walls or even the ceiling (if something is attached to it). It is also used for parts of the body, such as having a hat on your head or a scratch on your arm. When constructing sentences, 'on' usually follows a verb of placement or existence and precedes the noun representing the surface or platform.
- Transportation
- We use 'on' for larger public transport where you can walk around, such as 'on a bus,' 'on a train,' 'on a plane,' or 'on a ship.' We also use it for smaller open vehicles like 'on a bicycle' or 'on a motorcycle.'
I am currently on the bus and will arrive in ten minutes.
- Time Expressions
- Use 'on' for specific days of the week (on Tuesday) and specific calendar dates (on May 12th). It is also used for special holidays that include the word 'day' (on Christmas Day).
In the context of technology and media, 'on' is the standard preposition for anything involving a screen or a broadcast. You watch a show on TV, you talk to someone on the phone, and you find information on the internet. This usage stems from the idea of information being layered onto a medium. Furthermore, 'on' is used in many common phrasal verbs, such as 'carry on' (continue), 'put on' (dress), or 'turn on' (activate). In these cases, the meaning of 'on' shifts from location to a functional state.
She spent the whole afternoon talking on the phone with her sister.
- Membership and Participation
- When you are a member of a group that makes decisions, you are 'on' that group. Examples include being 'on the board of directors' or 'on the team.'
He has been serving on the school committee for three years.
The cat is sleeping peacefully on the sofa.
I will see you on Friday morning at the cafe.
In the real world, 'on' is ubiquitous. You will hear it in almost every conversation, from the most casual to the most formal. In a domestic setting, you might hear someone ask, 'Where are my keys?' and the response might be, 'They are on the kitchen counter.' In an office, a manager might say, 'The meeting is on Wednesday.' On public transport, automated announcements often say, 'We are now on our way to London Victoria.' The word is so common that it often becomes unstressed in rapid speech, sounding almost like a quick 'un' or 'n', yet its grammatical role remains vital for clarity.
- Technology and Social Media
- In the modern era, we are constantly 'on' something. We are on Instagram, on Zoom, on our laptops, or on a call. This usage is perhaps the most frequent way the word is heard today.
I'll post the photos on Facebook so everyone can see them.
- Directions and Travel
- When navigating, GPS systems frequently use 'on'. 'Turn left on Broadway' or 'Continue on this road for two miles.' It defines the path you are currently traveling upon.
You will also hear 'on' in sports commentary, describing a player 'on the field' or a ball being 'on the line.' In news broadcasts, reporters speak about events happening 'on the ground' or 'on the scene.' This provides a sense of immediacy and physical presence. Even in abstract discussions, people talk about being 'on the same page' (agreeing) or having a lot 'on their plate' (being busy). These idiomatic uses are deeply embedded in the way English speakers conceptualize their lives as a series of surfaces and platforms.
The news reporter is on the scene of the accident right now.
- Daily Chores
- Common household phrases include 'put the kettle on,' 'turn the lights on,' or 'leave the TV on.' Here, 'on' indicates the activation of a machine or utility.
Is the heater on? It feels quite cold in here.
The restaurant is located on the corner of the street.
I have a lot of work on my mind lately.
One of the most frequent challenges for English learners is choosing between 'on,' 'in,' and 'at.' Because many languages use a single preposition for all three, the distinction can feel arbitrary. The most common mistake is using 'in' for days of the week. While you say 'in January' (month) or 'in 2023' (year), you must say 'on Monday.' Another frequent error occurs with transportation. Many learners want to say 'in the bus' because they are physically inside it, but English logic dictates that if you can stand up and walk around on the vehicle, you are 'on' it.
- In vs. On (Surfaces)
- Mistake: 'The picture is in the wall.' Correct: 'The picture is on the wall.' Use 'on' because the picture is touching the surface, not embedded inside the material of the wall.
Incorrect: I will see you in Sunday. Correct: I will see you on Sunday.
- Electronic Devices
- Mistake: 'I saw it in the TV.' Correct: 'I saw it on TV.' We use 'on' for the broadcast or the screen. 'In the TV' would mean something is physically inside the plastic casing of the television set.
Another area of confusion is 'on time' versus 'in time.' 'On time' means at the scheduled moment, neither early nor late. 'In time' means early enough to do something else. For example, 'The train arrived on time' (at 3:00 PM as scheduled), but 'I arrived in time to buy a coffee' (I had extra minutes before the train left). Confusing these two can lead to misunderstandings about punctuality. Additionally, learners often struggle with 'on' in phrasal verbs. For instance, 'put on' (to wear) is very different from 'put in' (to place inside). Misusing these can completely change the meaning of your sentence.
Incorrect: He is in the phone. Correct: He is on the phone.
- Street Addresses
- Mistake: 'I live at Oxford Street.' Correct: 'I live on Oxford Street.' Use 'on' for the street name. Only use 'at' if you include the specific house number (e.g., 'at 10 Oxford Street').
Incorrect: The book is at the table. Correct: The book is on the table.
Incorrect: We go on the cinema. Correct: We go to the cinema.
Incorrect: I am on the kitchen. Correct: I am in the kitchen.
While 'on' is incredibly common, there are several other prepositions that share similar meanings but carry different nuances. Understanding these alternatives will help you become more precise in your descriptions. The most closely related words are 'onto,' 'upon,' 'above,' and 'over.' Each of these describes a spatial relationship involving height or contact, but they are not always interchangeable. Choosing the right one depends on whether there is movement, physical contact, or a specific degree of vertical distance.
- On vs. Onto
- 'On' describes a static position (The cat is on the table). 'Onto' describes movement towards a surface (The cat jumped onto the table). Use 'onto' when you want to emphasize the action of moving to that position.
He stepped onto the stage to receive his award.
- On vs. Upon
- 'Upon' is a more formal version of 'on.' It is often used in literature, storytelling, or formal speeches (Once upon a time). In daily conversation, 'on' is almost always preferred.
'Above' and 'over' are often confused with 'on.' The key difference is contact. If a lamp is 'on' the table, it is touching it. If a lamp is 'above' the table, it is hanging from the ceiling and there is a gap between the lamp and the table. 'Over' often implies movement or covering, such as a blanket 'over' a bed or a plane flying 'over' the city. In terms of time, alternatives to 'on' include 'at' (for specific times like 5:00) and 'in' (for longer periods like months or seasons). Using the correct one is essential for clear scheduling.
The mirror is hanging above the sink, not on it.
- On vs. At (Location)
- 'On' is for surfaces (on the floor), while 'at' is for a specific point or functional location (at the bus stop, at the door). You stand 'at' the door to knock, but a sign is 'on' the door.
There is a notice on the bulletin board regarding the new policy.
The bird landed on the roof of the house.
She placed a blanket over the sleeping child.
How Formal Is It?
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Fun Fact
In Old English, 'on' was often used where we now use 'in', showing how prepositions shift their territory over centuries.
Pronunciation Guide
- Pronouncing it like 'own' (/əʊn/).
- Confusing the vowel with 'in' (/ɪn/).
- Over-emphasizing the 'n' sound.
- Making the 'o' sound too long like 'awn'.
- Swallowing the word entirely in fast speech.
Difficulty Rating
Very easy to recognize in text.
Requires care with 'in/at' distinctions.
Commonly used in phrasal verbs.
Easy to hear, though often unstressed.
What to Learn Next
Prerequisites
Learn Next
Advanced
Grammar to Know
Prepositions of Time
Use 'on' for days and dates.
Prepositions of Place
Use 'on' for surfaces.
Phrasal Verbs
Many verbs change meaning when 'on' is added (e.g., switch on).
Transportation
Use 'on' for vehicles you can stand in.
Adjective + Preposition
Some adjectives are followed by 'on' (e.g., dependent on).
Examples by Level
The cat is on the mat.
Le chat est sur le tapis.
Simple preposition of place.
My keys are on the table.
Mes clés sont sur la table.
Indicates physical contact with a surface.
The clock is on the wall.
L'horloge est sur le mur.
Used for vertical surfaces.
We have a meeting on Monday.
Nous avons une réunion lundi.
Used for days of the week.
The apple is on the plate.
La pomme est sur l'assiette.
Basic spatial relationship.
I see a bird on the roof.
Je vois un oiseau sur le toit.
Contact with the top surface.
Your hat is on your head.
Ton chapeau est sur ta tête.
Used for parts of the body.
The book is on page ten.
Le livre est à la page dix.
Used for specific locations in text.
I am on the bus right now.
Je suis dans le bus en ce moment.
Used for public transport you can walk on.
She is talking on the phone.
Elle parle au téléphone.
Used for communication devices.
The news is on the radio.
Les informations sont à la radio.
Used for broadcast media.
Turn left on Green Street.
Tournez à gauche sur la rue Green.
Used for street names without numbers.
I saw a great movie on TV.
J'ai vu un super film à la télé.
Used for electronic screens.
They are on holiday in Spain.
Ils sont en vacances en Espagne.
Indicates a state of being (British English).
The shop is on the right.
Le magasin est sur la droite.
Used for directions/relative position.
Put your coat on.
Mets ton manteau.
Phrasal verb meaning to dress.
The success depends on you.
Le succès dépend de vous.
Dependent preposition after 'depend'.
The building is on fire!
Le bâtiment est en feu !
Indicates a state or condition.
He did it on purpose.
Il l'a fait exprès.
Idiomatic expression for intention.
Please carry on with your work.
S'il vous plaît, continuez votre travail.
Phrasal verb meaning to continue.
The train arrived exactly on time.
Le train est arrivé exactement à l'heure.
Means at the scheduled time.
I am on the school football team.
Je fais partie de l'équipe de foot de l'école.
Indicates membership in a group.
She is on a diet this month.
Elle suit un régime ce mois-ci.
Indicates a temporary state or regime.
What is going on here?
Que se passe-t-il ici ?
Phrasal verb meaning to happen.
He spoke on behalf of the company.
Il a parlé au nom de l'entreprise.
Prepositional phrase meaning 'representing'.
The company is on the verge of bankruptcy.
L'entreprise est au bord de la faillite.
Idiom meaning 'very close to'.
On arriving, we went straight to bed.
À notre arrivée, nous sommes allés directement au lit.
'On + -ing' used for immediate sequence.
She wrote a thesis on marine biology.
Elle a écrit une thèse sur la biologie marine.
Means 'about' or 'concerning' a topic.
The workers are on strike for better pay.
Les travailleurs sont en grève pour un meilleur salaire.
Indicates a formal state of protest.
On the contrary, I think it's a great idea.
Au contraire, je pense que c'est une excellente idée.
Used to introduce an opposing view.
He is on good terms with his ex-boss.
Il est en bons termes avec son ancien patron.
Describes the nature of a relationship.
The decision was based on several factors.
La décision était basée sur plusieurs facteurs.
Used with 'based' to show foundation.
They were rejected on the grounds of age.
Ils ont été rejetés pour des raisons d'âge.
Formal phrase meaning 'because of'.
The project was built on the assumption of growth.
Le projet a été construit sur l'hypothèse d'une croissance.
Indicates a logical foundation.
Don't dwell on your past mistakes.
Ne t'attarde pas sur tes erreurs passées.
Phrasal verb meaning to think too much about.
The economy is on the mend after the crisis.
L'économie est en train de se redresser après la crise.
Idiom meaning 'improving' or 'recovering'.
He was on the point of leaving when she called.
Il était sur le point de partir quand elle a appelé.
Means 'just about to do something'.
The burden of proof lies on the prosecution.
La charge de la preuve incombe à l'accusation.
Formal/legal usage for responsibility.
She prides herself on her punctuality.
Elle est fière de sa ponctualité.
Reflexive verb pattern with 'on'.
The story was based on a true event.
L'histoire était basée sur un fait réel.
Commonly used for creative inspiration.
The treaty was signed on the understanding that peace would follow.
Le traité a été signé à la condition que la paix suive.
Indicates a conditional agreement.
He is always on about his new car.
Il n'arrête pas de parler de sa nouvelle voiture.
Informal/Colloquial meaning 'talking incessantly'.
The fate of the nation hangs on this vote.
Le sort de la nation dépend de ce vote.
Metaphorical use for extreme dependency.
She was on the warpath after the meeting.
Elle était sur le sentier de la guerre après la réunion.
Idiom meaning 'very angry and looking for conflict'.
The evidence is on a par with previous findings.
Les preuves sont au même niveau que les résultats précédents.
Idiom meaning 'equal to'.
He acted on the spur of the moment.
Il a agi sur un coup de tête.
Idiom meaning 'impulsively'.
The responsibility falls on the shoulders of the leader.
La responsabilité incombe au dirigeant.
Metaphorical use for burden.
On reflection, I should have stayed home.
Après réflexion, j'aurais dû rester à la maison.
Formal way to say 'after thinking about it'.
Common Collocations
Common Phrases
— Used to introduce a contrasting point of view.
It's expensive; on the other hand, it's high quality.
— Used to describe a general situation or opinion.
On the whole, the project was a success.
— Burning or performing exceptionally well.
The kitchen is on fire! / The player is on fire today!
— On a ship, plane, or in agreement with a plan.
Welcome on board. / Is everyone on board with the idea?
Often Confused With
Use 'in' for containers/rooms; 'on' for surfaces.
Use 'at' for specific points; 'on' for surfaces/days.
Use 'onto' for movement; 'on' for static position.
Idioms & Expressions
— Extremely happy and excited.
She was on cloud nine after winning the race.
informal— Alert, knowledgeable, and quick to react.
Our new assistant is really on the ball.
informal— In a risky or dangerous situation.
If you're late again, you'll be on thin ice with the boss.
informal— Undecided about a choice or opinion.
I'm still on the fence about which car to buy.
informal— Provided for free by a restaurant or business.
The drinks are on the house tonight.
informal— Doing something quickly while in the middle of another task.
I had to learn the software on the fly.
informal— A relationship or business experiencing serious problems.
Their marriage is on the rocks.
informal— Experiencing a period of success or good luck.
Our team is on a roll this season.
informal— Having the same understanding or agreement.
We need to make sure we're all on the same page.
informalEasily Confused
Both are prepositions of place and time.
'In' is for 3D spaces and months/years. 'On' is for 2D surfaces and days.
In the box vs. On the box.
Both describe location.
'At' is a specific point (at the door). 'On' is a surface (on the door).
At the station vs. On the platform.
Both involve height.
'Above' means higher with no contact. 'On' means higher with contact.
The cloud is above us vs. The hat is on my head.
Both involve being on top.
'Over' often implies covering or movement across. 'On' is just contact.
A bridge over the river vs. A boat on the river.
They mean the same thing.
'Upon' is formal and literary. 'On' is for everyday use.
Once upon a time vs. Once on a day.
Sentence Patterns
The [noun] is on the [noun].
The cat is on the mat.
On [Day], I [verb].
On Monday, I work.
I am on the [vehicle].
I am on the train.
It is on [media].
It is on the radio.
[Verb] on [noun].
Depend on me.
I am on [state].
I am on holiday.
On the [noun], [sentence].
On the whole, it was good.
On [verb-ing], [sentence].
On arriving, he smiled.
Word Family
Nouns
Verbs
Adjectives
Related
How to Use It
Extremely High
-
in Monday
→
on Monday
Days of the week always take 'on'.
-
in the phone
→
on the phone
Electronic communication uses 'on'.
-
at the table (meaning touching the top)
→
on the table
'At' means near; 'on' means touching the surface.
-
in the bus
→
on the bus
Public transport where you can walk uses 'on'.
-
in TV
→
on TV
Media broadcasts use 'on'.
Tips
Surface Rule
If something is touching the top or side of a surface, use 'on'.
Day Rule
Always use 'on' for days of the week and specific dates.
Walk-on Rule
Use 'on' for transport where you can walk (bus, train, plane).
Screen Rule
Use 'on' for anything shown on a screen or heard on a device.
Side Rule
Use 'on' for 'on the left' and 'on the right'.
Purpose Rule
Use 'on purpose' to say something was done intentionally.
Switch Rule
Use 'on' to mean 'activate' in 'turn on' or 'switch on'.
Street Rule
Use 'on' for street names without numbers.
Condition Rule
Use 'on' for states like 'on fire', 'on strike', or 'on sale'.
Platform Rule
Think of 'on' as being on a platform, whether physical or digital.
Memorize It
Mnemonic
O-N: Over and Next-to. It's over the surface and next to (touching) it.
Visual Association
Imagine a lightbulb ON a table. The light is ON, and it is sitting ON the surface.
Word Web
Challenge
Try to use 'on' in five different ways in one paragraph: place, time, technology, transport, and state.
Word Origin
Derived from Old English 'on', which comes from Proto-Germanic '*ana'. It has been a core part of the English language for over a millennium.
Original meaning: In contact with, above, or against.
GermanicCultural Context
No specific sensitivities, but be careful with 'on' in idioms like 'on the street' which can imply homelessness.
The phrase 'on holiday' is standard in the UK, while 'on vacation' is the US equivalent.
Practice in Real Life
Real-World Contexts
Home
- on the counter
- on the shelf
- on the floor
- on the wall
Office
- on the desk
- on the agenda
- on the team
- on the phone
Travel
- on the bus
- on the plane
- on the way
- on the map
Time
- on Monday
- on my birthday
- on the weekend
- on time
Technology
- on the internet
- on the screen
- on the app
- on the computer
Conversation Starters
"What are you doing on Saturday?"
"Did you see that news story on TV?"
"Is there anything good on Netflix right now?"
"What do you usually have on your pizza?"
"How do you get to work? Are you on the bus for long?"
Journal Prompts
Write about what you have on your desk right now.
Describe your favorite things to do on a sunny day.
What is the most interesting thing you have seen on the internet lately?
Think about a time you were on holiday. Where did you go?
List five goals you have on your mind for this year.
Frequently Asked Questions
10 questionsBoth are correct. 'On the weekend' is common in American English, while 'at the weekend' is more common in British English.
Say 'in the car'. Use 'on' for larger transport like buses or trains where you can walk around.
'On time' means punctual (at the exact time). 'In time' means early enough to do something.
We use 'on' for electronic media and communication devices because the information is 'on' the medium.
No, say 'in January'. Use 'on' only if you include the specific day, like 'on January 1st'.
Both are used. 'On the street' usually refers to the location of a building. 'In the street' refers to being physically in the middle of the road.
Yes, 'on' is the standard preposition for the internet and websites.
In American English, 'on the team' is standard. In British English, both 'on' and 'in' are used.
The rule of thumb is: if you can stand and walk, use 'on'. If you must sit immediately, use 'in'.
Yes, 'on' can mean 'about', especially in academic contexts like 'a book on history'.
Test Yourself 180 questions
Write a sentence about something on your desk.
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Write a sentence about what you do on Mondays.
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Write a sentence about a picture on your wall.
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Write a sentence using 'on the bus'.
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Write a sentence using 'on the phone'.
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Write a sentence using 'on TV'.
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Write a sentence using 'on holiday'.
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Write a sentence using 'depend on'.
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Write a sentence using 'on purpose'.
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Write a sentence using 'on time'.
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Write a sentence using 'on behalf of'.
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Write a sentence using 'on the verge of'.
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Write a sentence using 'on the contrary'.
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Write a sentence using 'on the grounds that'.
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Write a sentence using 'dwell on'.
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Write a sentence using 'on the mend'.
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Write a sentence using 'on a par with'.
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Write a sentence using 'on the spur of the moment'.
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Write a sentence using 'on reflection'.
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Write a sentence using 'on the warpath'.
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Where are your keys?
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When is your next day off?
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What is on your wall?
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How do you go to work?
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Are you on social media?
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What's on TV tonight?
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Where are you going on holiday?
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Does your happiness depend on money?
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Have you ever done something on purpose that you regretted?
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Are you usually on time for meetings?
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What are you on the verge of doing?
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Who would you speak on behalf of?
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What do you think on the whole about the economy?
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Do you dwell on your mistakes?
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Is your health on the mend?
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What was the last thing you did on the spur of the moment?
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Are you on a par with your colleagues?
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On reflection, what would you change about your career?
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What makes you go on the warpath?
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Is the fate of your company hanging on this deal?
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Listen: 'The cup is on the table.' Where is the cup?
Listen: 'See you on Monday.' When?
Listen: 'I'm on the train.' Where is the person?
Listen: 'It's on the radio.' Where is the music?
Listen: 'He's on holiday.' What is he doing?
Listen: 'Depend on me.' What is the speaker saying?
Listen: 'On purpose.' Was it accidental?
Listen: 'On time.' Was he late?
Listen: 'On the verge.' How close are they?
Listen: 'On behalf of.' Who is speaking?
Listen: 'On the grounds.' What is being given?
Listen: 'On the mend.' Is it getting better?
Listen: 'On a par.' Are they equal?
Listen: 'On reflection.' When did they think?
Listen: 'On the warpath.' What is the mood?
/ 180 correct
Perfect score!
Summary
The word 'on' is a versatile preposition that signifies contact, support, and specificity. Whether you are placing an object on a surface, scheduling an event on a day, or watching a show on a screen, 'on' provides the necessary connection between the subject and its platform.
- Primarily indicates physical contact with a surface, such as a floor, wall, or table, serving as a foundational preposition of place.
- Essential for specifying days of the week and calendar dates, helping to organize schedules and time-based events clearly.
- The standard preposition for electronic media and technology, including television, radio, telephones, and the internet.
- Used for larger public transportation like buses and trains, and for states of being such as 'on strike' or 'on holiday'.
Surface Rule
If something is touching the top or side of a surface, use 'on'.
Day Rule
Always use 'on' for days of the week and specific dates.
Walk-on Rule
Use 'on' for transport where you can walk (bus, train, plane).
Screen Rule
Use 'on' for anything shown on a screen or heard on a device.
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Related Phrases
More general words
a lot of
A2A large amount or number of; plenty of.
about
A1On the subject of; concerning something.
above
A2In a higher place than something or someone.
accident
A2An unfortunate event causing damage or injury.
action
A2The process of doing something, typically to achieve an aim.
after
A2Following in time or place; later than.
afterward
A2At a later or subsequent time.
again
A2Another time; once more.
aged
B1Of a specified age.
alive
A2Living, not dead.