Both, Either, Neither: Talking About Two Options
Both = the two (positive). Either = one of the two (choice or negative). Neither = not one and not the other (zero of two).
Grammar Rule in 30 Seconds
Use 'both' for two, 'either' for one of two, and 'neither' for zero of two.
- Both = 1+1 (Both of them are here).
- Either = 1 or the other (Either one is fine).
- Neither = 0 (Neither of them is here).
These three words all refer to exactly two things or people — but they say very different things.
Both — The Two Together ✅✅
Both things are included (positive):
✅ Both films were excellent.
✅ I like both of them.
Either — One or the Other ✅ or ✅
A choice between two (A or B):
✅ You can take either road.
✅ Either you study, or you fail.
Neither — Not One, Not the Other ❌❌
Zero of two (already negative — no negative verb needed):
✅ Neither film was very good.
✅ Neither the doctor nor the nurse was available.
❌ Neither isn't correct. (double negative!)
Either (negative) = Neither
| either + negative verb | neither (positive verb) |
|---|---|
| I don't like either of them. | I like neither of them. |
| She didn't contact either of us. | She contacted neither of us. |
Neither → Singular Verb
✅ Neither answer is correct.
❌ Neither answer are correct.
Subject-Verb Agreement
| Subject | Verb (Formal) | Verb (Informal) |
|---|---|---|
|
Both
|
are
|
are
|
|
Either of them
|
is
|
are
|
|
Neither of them
|
is
|
are
|
|
Neither X nor Y
|
is
|
are
|
Common Pairings
| Structure | Usage |
|---|---|
|
Both...and
|
Addition
|
|
Either...or
|
Choice
|
|
Neither...nor
|
Negation
|
Meanings
These words are used to describe relationships between exactly two items, people, or options.
Both
Refers to two items together.
“Both my parents are teachers.”
“I like both of these shirts.”
Either
Refers to one or the other of two options.
“Either day works for me.”
“You can take either road.”
Neither
Refers to not one and not the other.
“Neither answer is right.”
“Neither of them called.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Both + Noun + Verb
|
Both students passed.
|
|
Choice
|
Either + Noun + or + Noun
|
Either tea or coffee.
|
|
Negative
|
Neither + Noun + nor + Noun
|
Neither tea nor coffee.
|
|
Pronoun
|
Neither of + Plural Noun
|
Neither of the cars works.
|
|
Question
|
Do you like either?
|
Do you like either?
|
|
Short Answer
|
Neither.
|
Neither.
|
Formality Spectrum
Either option is acceptable. (Decision making)
Either one is fine. (Decision making)
Either works. (Decision making)
Either's cool. (Decision making)
Binary Logic Map
Both
- Together Both
Either
- One choice Either
Neither
- Zero choice Neither
Examples by Level
Both cats are black.
Either one is fine.
Neither cat is here.
Both are good.
I like both of these books.
You can choose either apple.
Neither of them knows the answer.
Both my sister and I are tired.
Neither the teacher nor the students were ready.
Either we leave now or we will be late.
Both of the candidates have great experience.
I have neither the time nor the money.
Neither of the proposed solutions is viable.
Both parties must sign the contract.
Either option presents significant risks.
Neither is entirely correct, in my opinion.
Neither the CEO nor the board members were aware of the shift.
Both the theory and the practice are equally flawed.
Either approach will yield the same result.
Neither of these interpretations captures the nuance.
Neither the former nor the latter argument holds water.
Both the syntax and the semantics are problematic.
Either alternative is fraught with peril.
Neither of the parties has conceded defeat.
Easily Confused
Learners use 'any' for two items.
Learners use 'all' for two items.
Learners use 'none' for two items.
Common Mistakes
I like both of them not.
I like neither of them.
Both is good.
Both are good.
Neither of them are here.
Neither of them is here.
Either of them are okay.
Either of them is okay.
I don't like neither.
I don't like either.
Both of the three.
All of the three.
Either...nor...
Neither...nor...
Neither the boys or the girls.
Neither the boys nor the girls.
Both of them is ready.
Both of them are ready.
Either of the options are good.
Either of the options is good.
Neither of the solutions are feasible.
Neither of the solutions is feasible.
Both the team and the manager is here.
Both the team and the manager are here.
Either of the two are acceptable.
Either of the two is acceptable.
Neither of the candidates were chosen.
Neither of the candidates was chosen.
Sentence Patterns
Both ___ and ___ are ___.
Either ___ or ___ is fine.
Neither ___ nor ___ is correct.
Both of the ___ are ___.
Real World Usage
Either the burger or the salad is fine.
Neither of the proposals is acceptable.
Both are wrong!
Neither flight works for me.
Both roles interest me.
Both are cool.
The 'Two' Rule
Double Negatives
Formal vs Informal
Pronunciation
Smart Tips
Use 'either' for a choice, 'neither' for a rejection.
Use singular verbs with 'neither of'.
Use 'both' to show they share a quality.
Count the items first. If it's 2, use these words.
Pronunciation
Neither
Can be pronounced 'NEE-ther' or 'NYE-ther'. Both are correct.
Emphasis
I like BOTH.
Emphasizing the pair.
Memorize It
Mnemonic
B-O-T-H: Both Of The Humans (or items).
Visual Association
Imagine two apples. Both = two apples in your hands. Either = one apple in your hand. Neither = zero apples.
Rhyme
Both is two, either is one, neither is none, and the work is done.
Story
I had two keys. Both opened the door. I tried either key, and it worked. But neither key was the one I needed for the safe.
Word Web
Challenge
Write three sentences about your two favorite foods using both, either, and neither.
Cultural Notes
Often uses 'either' and 'neither' with plural verbs in casual speech.
More strictly adheres to singular verbs in formal contexts.
Using 'both' and 'neither' adds a layer of professional precision.
These words have Germanic roots. 'Both' comes from Old English 'bā twā' (both two).
Conversation Starters
Do you prefer tea or coffee?
Are both of your parents from here?
Which of these two projects should we prioritize?
Do you think either candidate is qualified?
Journal Prompts
Common Mistakes
Test Yourself
___ of the two shirts fits me.
I like ___ tea nor coffee.
Find and fix the mistake:
I don't like neither of them.
Both are good. (Use neither)
Match each item on the left with its pair on the right:
Neither of the boys ___ here.
You can have ___ the cake or the pie.
neither / is / of / them / ready
Score: /8
Practice Exercises
8 exercises___ of the two shirts fits me.
I like ___ tea nor coffee.
Find and fix the mistake:
I don't like neither of them.
Both are good. (Use neither)
Both
Neither of the boys ___ here.
You can have ___ the cake or the pie.
neither / is / of / them / ready
Score: /8
FAQ (8)
No, 'both' is strictly for two. Use 'all' instead.
In formal English, it is singular. In casual speech, it is often plural.
It's just a regional accent difference. Both are correct.
No, that's a double negative. Say 'I like neither' or 'I don't like either'.
'Either' is for two, 'any' is for three or more.
Not always, but 'both...and' is the standard correlative pair.
'Either' is for a positive choice, 'neither' is for a negative choice.
They are used in all registers, from casual texting to formal legal documents.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Ambos / O / Ni
Spanish allows double negatives with 'ni'.
Tous les deux / Soit / Ni
French requires 'ne' with 'ni'.
Beide / Entweder / Weder
German grammar is more rigid with case endings.
Ryōhō / Dochira ka / Dochira mo ~ nai
The negative is attached to the verb in Japanese.
Kila / Imma / La
Arabic has a specific dual grammatical number.
Dōu / Huòzhě / Dōu bù
Chinese lacks the specific binary determiners found in English.
Learning Path
Prerequisites
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