شرطی صفر در مقابل شرطی اول: تفاوت کلیدی
Grammar Rule in 30 Seconds
Zero Conditional describes universal truths and facts, while First Conditional predicts specific future outcomes based on possible conditions.
- Use Zero for 'Always' facts: If you heat ice, it melts.
- Use First for 'Maybe' futures: If it rains, I will stay home.
- Zero uses Present + Present; First uses Present + Will.
مرور کلی
If I stay up late, I am tired در حالی که بقیه میگن If I stay up late, I will be tired؟ به نظر یه تفاوت خیلی کوچیک میاد، نه؟ یه کلمه کوچولو مثل will کل حس و حال جملهت رو عوض میکنه.if رو با whenever عوض کنی و جمله هنوز معنی بده، احتمالاً به Zero Conditional نیاز داری.این گرامر چطور کار میکنه
if یا when شروع میشه. منطقش هم سادهست: «اتفاق الف» باعث «اتفاق ب» میشه.I get a headache if I look at my screen too long (نوع صفر) یا بگی I will get a headache if I look at my screen for another hour (نوع اول). فقط یادت باشه: اگه بخش if اول بیاد، به کاما (ویرگول) نیاز داری. اگه دوم بیاد، نیاز نداری.
الگوی ساخت
If the sun sets, it gets dark.
if از Present Simple و در عبارت نتیجه از will + فعل استفاده کن.
If the sun sets soon, I will go home.
If I will see her. همیشه میگی If I see her. کلمه will فقط مال بخش نتیجهست.
can یا might یا should به جای will. مثلاً: If you finish your homework, you can play Valorant. (یه راه عالی برای رشوه دادن به خودت یا دوستات).
کی استفاده کنیم
If you swipe left, you delete the message. اگه داری درباره روتین روزانهت حرف میزنی، از نوع صفر استفاده کن: If I drink coffee after 4 PM, I don't sleep. این برای چیزاییه که برای تو یا کل دنیا «همیشه» درسته. از First Conditional برای قولها، هشدارها و نقشههای آینده استفاده کن.If you pay for the Uber, I'll buy the pizza. اگه داری به کسی درباره یه اشتباه هشدار میدی، از نوع اول استفاده کن: If you don't save your progress, you will lose the game level. این زمانِ «احتمال واقعی در زندگی» هست. برای پیام دادن، نقشه کشیدن برای آخر هفته یا غر زدن درباره وایفای کند عالیه. اگه سرعت وایفای زیاد نشه، جیغ میزنم!
اشتباهات رایج
if جمله، از will استفاده کنی. جمله If it will rain, I'll stay home غلطه. مغزت دلش میخواد توی هر دو بخش از زمان آینده استفاده کنه چون داری به آینده فکر میکنی، ولی انگلیسی خیلی وسواسیه! بخش if رو در زمان حال نگه دار. یه اشتباه دیگه اینه که از First Conditional برای چیزایی استفاده کنی که در واقع حقایق کلی هستن. جمله If you freeze water, it will turn to ice برای یه انگلیسیزبان یه کم عجیب به نظر میرسه، چون این اتفاق هر بار تکرار میشه. If you freeze water, it turns to ice بهتره. همچنین حواست به s سومشخص باشه. توی عبارت if فراموشش نکن! If he call me باید بشه If he calls me. این یه جزئیات کوچیکه، ولی فرق بین سطح B1 و C1 هست. در نهایت، یادت نره که unless یعنی «اگه نه» (if not). جمله I won't go unless you go همون معنی I won't go if you don't go رو میده. یه کم «شیکتره» ولی توی انگلیسی گفتاری خیلی رایجه.مقایسه با الگوهای مشابه
If I win the lottery, I will buy a car. (من بلیط دارم، پس شانسش هست!).If I won the lottery, I would buy an island. (من حتی بلیط هم ندارم، فقط دارم رویاپردازی میکنم). Zero Conditional حتی از نوع اول هم قطعیتره.سؤالات رایج
میتونم توی Zero Conditional به جای if از when استفاده کنم؟
بله! توی نوع صفر، این دوتا تقریباً یکی هستن. When it rains, I take the bus همون معنی If it rains, I take the bus رو میده.
میتونم توی First Conditional از when استفاده کنم؟
مراقب باش! اگه توی یه جمله مربوط به آینده از when استفاده کنی، یعنی ۱۰۰٪ مطمئنی که اون اتفاق میافته. When I get home, I'll call you یعنی قطعاً داری میری خونه. اما If I get home early, I'll call you یعنی ممکنه دیر برسی.
چرا اسمش رو گذاشتن «صفر» (Zero)؟
چون «صفر» درصد شک و تردید درباره نتیجه وجود داره. این یه حقیقته!
آیا جمله If I am late, I'll call you درسته؟
کاملاً درسته. این یه جمله کلاسیک First Conditional برای یه موقعیت خاصه.
میتونم به جای will از may استفاده کنم؟
صد در صد. If it rains, we may stay home فقط معنیش اینه که نسبت به وقتی که از will استفاده میکنی، اطمینان کمتری داری.
Zero vs First Conditional Structure
| Type | If-Clause (Condition) | Result Clause | Meaning |
|---|---|---|---|
|
Zero
|
If + Present Simple
|
Present Simple
|
General Truth / Fact
|
|
First
|
If + Present Simple
|
Will + Base Verb
|
Possible Future Outcome
|
|
Zero (Neg)
|
If + Don't/Doesn't
|
Don't/Doesn't
|
General Negative Fact
|
|
First (Neg)
|
If + Don't/Doesn't
|
Won't + Base Verb
|
Future Negative Prediction
|
Common Contractions in First Conditional
| Full Form | Contraction | Example |
|---|---|---|
|
I will
|
I'll
|
I'll help you.
|
|
You will
|
You'll
|
You'll see.
|
|
He will
|
He'll
|
He'll arrive soon.
|
|
She will
|
She'll
|
She'll call back.
|
|
It will
|
It'll
|
It'll rain.
|
|
We will
|
We'll
|
We'll be there.
|
|
They will
|
They'll
|
They'll win.
|
|
Will not
|
Won't
|
I won't go.
|
Meanings
The Zero Conditional expresses general truths, scientific facts, or habits where the result is certain. The First Conditional expresses a real possibility in the future where the result depends on a specific condition.
Scientific/General Truths (Zero)
Used for laws of nature or things that are 100% certain every time the condition is met.
“If water reaches 100 degrees, it boils.”
“If you don't eat, you get hungry.”
Future Predictions (First)
Used for specific situations in the future that are likely to happen.
“If I see Sarah, I will tell her about the party.”
“If we don't hurry, we'll miss the train.”
Instructions and Rules (Zero)
Used to give commands or state rules that apply every time.
“If the alarm sounds, leave the building immediately.”
“If you are late, please enter through the back door.”
Negotiations and Promises (First)
Used to make deals or offer specific future rewards/consequences.
“If you finish your homework, I'll buy you an ice cream.”
“If you help me move, I'll pay for lunch.”
Reference Table
| نوع | شرط (جمله if) | نتیجه (جمله اصلی) | قطعیت | بازه زمانی |
|---|---|---|---|---|
|
شرطی صفر
|
حال ساده
|
حال ساده
|
همیشه درست / واقعیت
|
هر زمان / کلی
|
|
شرطی اول
|
حال ساده
|
will + شکل ساده فعل
|
ممکن / محتمل
|
آینده
|
|
مثال شرطی صفر
|
`If you heat water,`
|
`it boils.`
|
۱۰۰٪ قطعی
|
همیشه
|
|
مثال شرطی اول
|
`If it rains tomorrow,`
|
`we will stay home.`
|
محتمل / ممکن
|
آینده خاص
|
طیف رسمیت
Should you provide assistance, I would be most grateful. (Asking for a favor)
If you help me, I will be very happy. (Asking for a favor)
If you help out, I'll be stoked. (Asking for a favor)
Help me out and I'm good. (Asking for a favor)
انواع جملات شرطی: صفر در مقابل اول
شرطی صفر
- If + حال ساده Condition
- حال ساده Result
- حقایق جهانی Facts
- عادات Routines
- همیشه درست Certain
شرطی اول
- If + حال ساده Condition
- will + شکل ساده فعل Result
- احتمالات آینده Predictions
- اتفاقات خاص Likely Outcomes
- محتمل Possible
نگاهی سریع به شرطی صفر در مقابل اول
از کدوم شرطی باید استفاده کنم؟
آیا نتیجه همیشه درست است وقتی شرط اتفاق میافتد (یک حقیقت، عادت یا دستورالعمل)؟
آیا شرط یک امکان واقعی در آینده است، با یک نتیجه محتمل در آینده؟
تطبیق سناریوهای شرطی
کاربردهای شرطی صفر
- • حقیقت علمی
- • حقیقت عمومی
- • عادت منظم
- • دستورالعملها
کاربردهای شرطی اول
- • پیشبینی آینده
- • برنامه ممکن
- • هشدار/نصیحت
- • سناریوی خاص
مثالها بر اساس سطح
If you heat water, it gets hot.
If I am hungry, I eat.
If it rains, I will use an umbrella.
If you go now, you will be on time.
If you don't study, you don't learn.
If the sun shines, we go to the beach.
If I see him, I will give him the book.
Will you help me if I have a problem?
If you press the red button, the machine stops immediately.
If I have enough money next year, I'll travel to Japan.
If you don't leave now, you'll miss your flight.
Does the computer turn off if you close the lid?
If a company ignores its customers, it eventually fails.
If the inflation rate continues to rise, the central bank will increase interest rates.
If you happen to see Mr. Jones, will you please ask him to call me?
If you don't mind, I'll take a look at those documents now.
If one considers the historical context, the decision makes perfect sense.
If the board approves the proposal, we shall commence operations in July.
If you should require further assistance, our team will be available 24/7.
If the experiment fails to yield results, the funding will likely be revoked.
If the theory holds water, it necessitates a complete paradigm shift.
If the treaty is ratified, it will herald a new era of diplomatic cooperation.
If you are to succeed in this industry, you must be prepared for long hours.
If the evidence is found to be tampered with, the case will be dismissed.
بهراحتی اشتباه گرفته میشود
Learners use 'when' for possibilities and 'if' for certainties.
Learners mix up likely futures with imaginary ones.
Using 'will' for a general habit.
اشتباهات رایج
If it will rain, I stay home.
If it rains, I stay home.
If you heat ice, it will melt.
If you heat ice, it melts.
If he come, I am happy.
If he comes, I am happy.
If I see her, I tell her.
If I see her, I will tell her.
If I will have time, I'll call.
If I have time, I'll call.
If you don't study, you fail.
If you don't study, you will fail.
When it rains, I will stay home.
If it rains, I will stay home.
If I would see him, I'll tell him.
If I see him, I'll tell him.
If you will be late, call me.
If you are late, call me.
If the water boils, it will turn to steam.
If the water boils, it turns to steam.
If you should to need help, ask.
If you should need help, ask.
If the weather will permit, we'll go.
If the weather permits, we'll go.
الگوهای جملهسازی
If you ___, you ___.
If it ___, I will ___.
If I ___, I'll ___.
___ if ___.
Real World Usage
If you restart the router, the light turns green.
If I'm late, I'll text you.
If I am hired, I will work hard.
If the sauce thickens too much, add water.
If you have a liquid over 100ml, you can't take it.
If you buy two, we'll give you the third for free.
فکر کن: «همیشه» یا «آینده»؟
تو جمله شرطی (if-clause) «will» نذار!
با «When» تمرین کن
کوتاهشدهها (Contractions) خیلی مهمن
Using them makes your English sound more natural and less robotic.
به نتیجه فکر کن
The nature of the consequence often dictates which conditional you should use.
Smart Tips
Check if you have used 'will' twice. If you have, delete the one after 'if'.
Replace 'if' with 'when' for Zero Conditional facts.
Use the Zero Conditional with an imperative (command) for clarity.
Use the First Conditional to show a clear benefit.
تلفظ
Contraction of 'will'
In the First Conditional, 'will' is almost always contracted to ''ll' in spoken English.
The 'if' pause
There is usually a slight rising intonation at the end of the 'if' clause, followed by a tiny pause.
Conditional Rise-Fall
If you help me ↗, I'll help you ↘.
Shows the connection between condition and result.
حفظ کنید
روش یادسپاری
Zero is for 'Zero doubt' (facts). First is for 'First time' (specific future events).
تداعی تصویری
Imagine a science textbook for the Zero Conditional (facts that never change). Imagine a weather forecast for the First Conditional (things that might happen tomorrow).
Rhyme
If it's always true, Zero is for you. If it's a future plan, First is the man.
Story
A scientist (Zero) says, 'If you mix these, it explodes.' A gambler (First) says, 'If I win this round, I will be rich.' The scientist deals in facts; the gambler deals in possibilities.
شبکه واژگان
چالش
Write down three things that are always true about your morning routine (Zero) and three things you might do this weekend if the weather is good (First).
نکات فرهنگی
Brits often use 'should' in the if-clause to make a request sound more polite and less direct.
Americans are very direct with First Conditionals, especially in business negotiations.
Scientific papers exclusively use the Zero Conditional to state findings that are considered objective truths.
The conditional structure in English evolved from Old English 'gif' (if), which was used to set a hypothesis.
شروعکنندههای مکالمه
What do you do if you can't sleep at night?
If you win the lottery tomorrow, what will be the first thing you buy?
What happens to your mood if the weather is grey and rainy?
If you have free time this evening, what will you watch on TV?
موضوعات نگارش
اشتباهات رایج
Test Yourself
If you heat ice, it ___ (melt).
If I will study hard, I will pass the exam.
Choose the correct sentence:
Translate into English: 'Si tienes tiempo, te ayudaré.'
Score: /4
تمرینهای عملی
8 exercisesIf you ___ ice, it melts.
If it rains tomorrow, we ___ (not go) to the park.
Find and fix the mistake:
If I will see her, I'll tell her.
1. If you freeze water... | 2. If I win the race...
If I eat too much, I feel sick. (Change to a specific future plan for tonight)
A: Are you coming to the party? B: If I ___ my work, I'll be there.
In the Zero Conditional, you can often replace 'if' with 'when'.
'If you touch a fire, you get burned.'
Score: /8
Practice Bank
11 exercisesIf you don't wear a coat in winter, you ___ (get) cold.
When the sun will rise, the birds start to sing.
Choose the correct sentence:
Translate into English: 'Si estudias hoy, mañana podrás relajarte.'
Arrange these words into a sentence:
Match the 'if' clauses with the correct result clauses:
If you don't charge your phone, it ___ (run) out of battery.
Choose the correct sentence:
Arrange these words into a sentence:
If you want good grades, you will study hard.
Translate into English: 'Si hace sol, siempre vamos a la playa.'
Score: /11
سوالات متداول (8)
In the Zero Conditional, yes. In the First Conditional, using 'when' means you are certain the event will happen, while 'if' means it's just a possibility.
This is a rule of English grammar. The 'if' clause already sets the time frame, so we use the present tense to represent the condition.
Yes! 'If it rains, I'm going to stay home' is perfectly natural and common.
That's usually a Zero Conditional. 'If you are tired, go to bed.'
Only if the 'if' clause comes first. If the result clause comes first, no comma: 'I'll help you if I can.'
Yes, use 'might' or 'could' if you are less certain about the result.
No, it's also for personal habits. 'If I'm stressed, I exercise.'
'Unless' means 'if not'. 'Unless it rains, we'll go' = 'If it doesn't rain, we'll go.'
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Si + presente + presente/futuro
English uses 'will' for the first conditional, while Spanish uses the future tense ending.
Si + présent + présent/futur
French also forbids the future tense immediately after 'si'.
Wenn + Präsens + Präsens/Futur
German word order (verb-final) in the condition clause.
~tara / ~ba / ~nara
Japanese uses suffixes on verbs rather than separate 'if' words and 'will' auxiliaries.
In / Idha
Arabic distinguishes the 'certainty' of the condition with different starting words.
Ruguo... jiu...
No tense changes or 'will' equivalents are required in Chinese.
Learning Path
Prerequisites
Learn These First
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