B2 · بالای متوسط فصل 16

استاد جملات شرطی شو: فراتر از یک If ساده

10 مجموع قواعد
107 مثال‌ها
5 دقیقه

Chapter in 30 Seconds

Master the art of complex conditional structures to communicate with precision, authority, and professional nuance.

  • Identify and apply formal alternatives to standard 'if' clauses.
  • Express strict stipulations and warnings with confidence.
  • Refine your usage of conditional moods for business and academic contexts.
Unlock the nuances of complex English conditions.

چی یاد می‌گیری

سلام! آماده‌ای که از سطح معمولی 'If' فراتر بری و مثل یه نیتیو واقعی شرط و شروط تعیین کنی؟ توی این فصل قراره یاد بگیری چطوری با ظرافت و دقت بالا، موقعیت‌های پیچیده رو مدیریت کنی. دیگه لازم نیست همیشه بگی 'If not'، چون یاد می‌گیری چطوری از 'Unless' استفاده کنی تا جمله‌هات کوتاه‌تر و شیک‌تر بشن. اگه بخوای برای انجام یه کاری شرط سفت و سخت بذاری، ساختارهایی مثل 'Provided that' یا 'As long as' دقیقاً همون چیزی هستن که لازم داری؛ مثلاً وقتی داری با رئیست سر یه قرارداد جدید چونه می‌زنی یا می‌خوای برای دوستت خط و نشون بکشی! حتی یاد می‌گیریم چطوری با 'Suppose' سناریوهای خیالی بسازیم و با 'Only if' و جابه‌جا کردن کلمات (Inversion)، تاکید جمله‌هامون رو چند برابر کنیم. از موقعیت‌های رسمی و کاری گرفته که از 'In the event that' استفاده می‌کنی، تا هشدارهای روزمره با 'Otherwise'، همه‌رو توی این فصل با هم تمرین می‌کنیم. تا آخر این بخش، تو دیگه فقط انگلیسی حرف نمی‌زنی، بلکه با دقتِ یک حرفه‌ای، منظورت رو به بقیه دیکته می‌کنی و توی هر بحث یا مذاکره‌ای، برنده از زمین میای بیرون. بزن بریم که کلی کارهای جذاب داریم!

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to: Use formal conditional markers like 'provided that' and 'on condition that' in written reports.

راهنمای فصل

مرور کلی

As a B2 English learner, you've already mastered the basics of conditional sentences. You can talk about real possibilities and unlikely scenarios with ease. Now, it's time to elevate your fluency and precision!
This chapter on English advanced conditional structures will take your ability to express conditions, stipulations, and hypothetical situations to a whole new level. Moving beyond simple 'if' clauses, you'll discover sophisticated ways to communicate nuanced meanings that are crucial for truly proficient B2 English grammar.
Imagine being able to state a formal requirement with provided that, caution someone about consequences using otherwise, or explore imaginative scenarios with supposing. These advanced structures aren't just about sounding more formal; they allow you to convey specific shades of meaning, strengthen your arguments, and engage in more complex conversations. Mastering these patterns will make your English sound more natural, authoritative, and expressive, ensuring you can interact with native speakers fluently and confidently in any context. Get ready to add powerful tools to your linguistic toolkit!

این گرامر چطور کار می‌کنه

These advanced conditional structures empower you to express a wide range of nuances that simple 'if' clauses can't quite capture. Let's break down how they function. When you want to convey if not, the word unless is your efficient shortcut: "We'll go to the park unless it rains" (meaning, *if it doesn't rain*).
For conditions related to duration or agreements, as long as is perfect:
You can borrow my car as long as you fill it with petrol.
This implies both a duration and a specific condition.
Sometimes, you need to emphasize that a result will occur irrespective of any obstacles. That's where even if comes in handy: "Even if I win the lottery, I'll still keep my job." This shows determination or certainty. For situations where there's only one path to a result, use only if:
You can pass the exam only if you study diligently.
This highlights the singular necessity of the condition.
To warn of negative consequences, otherwise is your go-to:
Study hard; otherwise, you might fail.
It acts like an or else.
For formal, official, or professional contexts, replace 'if' with in the event that:
In the event that the flight is delayed, passengers will receive a voucher.
This elevates the formality. Similar in function but more about setting strict terms for an agreement are provided that and on condition that.
Provided that all documents are submitted, your application will be processed
and
You can use the hall on condition that you clean up afterwards
both set firm stipulations.
Finally, to kick off a creative brainstorm or hypothetical discussion, use suppose or supposing:
Suppose we could fly, where would we go first?
These invite imagination.

اشتباهات رایج

  1. 1✗ Incorrect: "You can't get in unless you don't have a ticket."
✓ Correct: "You can't get in unless you have a ticket."
*Explanation:* 'Unless' already implies a negative condition ('if not'). Using another negative like 'don't' creates a double negative, making the sentence confusing or incorrect.
  1. 1✗ Incorrect: "We'll meet tomorrow, otherwise it rains."
✓ Correct: "We'll meet tomorrow, unless it rains. OR We should meet tomorrow; otherwise, we'll miss the deadline."
*Explanation:* 'Otherwise' connects a command or advice to a *negative consequence* of ignoring it, not just a simple contrasting condition. For a simple if not scenario, 'unless' is more appropriate.
  1. 1✗ Incorrect: "I'll lend you the money on condition that you will pay me back next month."
✓ Correct: "I'll lend you the money on condition that you pay me back next month."
*Explanation:* After conditional clauses like 'on condition that', 'provided that', 'as long as', 'unless', etc., we usually use the simple present tense for future conditions, not 'will'.

مکالمات واقعی

A

A

I'm really nervous about presenting my project tomorrow.
B

B

Don't worry! You'll do great, as long as you remember to speak clearly and confidently.
A

A

Do you think Sarah will come to the party? She said she was really busy.
B

B

I think so, even if she can only stay for an hour. She promised to make an appearance.
A

A

We need to finalize the contract by Friday.
B

B

Yes, but the client said they would sign provided that we include the new clause about maintenance.
A

A

Okay, so it’s contingent on that. Otherwise, the deal is off.

سؤالات رایج

Q

What's the main difference between 'unless' and 'if not'?

While they often mean similar things, 'unless' focuses on the *exception* that changes a situation, making the sentence more concise. "You won't improve unless you practice

is stronger and more direct than
You won't improve if you don't practice."

Q

Can I use 'only if' at the beginning of a sentence?

Yes, you can! When 'only if' starts a sentence, it often requires inversion in the main clause. For example,

Only if you complete the training will you be eligible for the promotion.

Q

When should I choose 'in the event that' over a simple 'if'?

Use 'in the event that' when you need to sound very formal, official, or professional. It's common in legal documents, business agreements, or formal instructions, adding a sense of gravity and precision compared to the more casual 'if'.

بافت فرهنگی

Native English speakers use these advanced conditional structures to add precision, formality, or emphasis to their communication. While 'unless' and 'as long as' are common in everyday speech, phrases like 'provided that' and 'on condition that' are typically reserved for formal agreements, business discussions, or legal contexts. 'In the event that' also signals a very formal tone.
'Suppose' and 'supposing' are great for brainstorming or creative discussions, inviting others to play along with hypothetical ideas. Understanding these nuances helps you not just speak correctly, but also appropriately for the social situation.

مثال‌های کلیدی (8)

1

I will go for a run `unless` it rains.

میرم برای دویدن مگه اینکه بارون بیاد.

استفاده از 'Unless': میانبر 'If Not'
2

You cannot watch this video `unless` you sign in.

نمی‌تونی این ویدئو رو ببینی مگه اینکه وارد بشی.

استفاده از 'Unless': میانبر 'If Not'
3

You can borrow my car as long as you fill the tank.

میتونی ماشینمو قرض بگیری به شرطی که باکشو پر کنی.

حفظ کنترل: استفاده از 'As Long As' (مدت زمان و شرط)
4

I'll stay at the gym as long as my workout playlist lasts.

تا وقتی که پلی‌لیست ورزشم تموم بشه، تو باشگاه میمونم.

حفظ کنترل: استفاده از 'As Long As' (مدت زمان و شرط)
5

Even if I'm tired, I will finish the level.

حتی اگه خسته باشم، مرحله رو تموم می‌کنم.

حتی اگر: مهم نیست چه اتفاقی بیفتد
6

I will go to the concert even if I have no money.

حتی اگه پول نداشته باشم، میرم کنسرت.

حتی اگر: مهم نیست چه اتفاقی بیفتد
7

I will buy the shoes only if they are on sale.

کفش‌ها رو فقط اگه تخفیف داشته باشن می‌خرم.

شرایط قوی: قوانین 'فقط اگر'
8

You can watch Netflix only if you finish your homework.

می‌تونی نتفلیکس ببینی فقط اگه مشقاتو تموم کنی.

شرایط قوی: قوانین 'فقط اگر'

نکات و ترفندها (4)

🎯

جایگزین 'not'

اگه گیج شدی، تو ذهنت if و not رو خط بزن و به جاش unless بذار. همیشه جواب میده! مثلاً:
If it is not raining, I will go.
میشه
Unless it is raining, I will go.
frontend.learn_grammar.from_rule: استفاده از 'Unless': میانبر 'If Not'
⚠️

تله 'Will' رو جاخالی بده

هیچ‌وقت بعد از as long as، کلمه will رو نیار. مثلاً بگو
as long as you stay
نه
as long as you will stay
.
frontend.learn_grammar.from_rule: حفظ کنترل: استفاده از 'As Long As' (مدت زمان و شرط)
💡

The 'No Will' Rule

هیچ‌وقت توی قسمتی که 'even if' داره، 'will' نذار. همیشه از زمان حال ساده استفاده کن! مثلاً:
Even if I am tired, I will study.
(نه 'Even if I will be tired').
frontend.learn_grammar.from_rule: حتی اگر: مهم نیست چه اتفاقی بیفتد
🎯

راز زمان حال

بعد از 'only if' همیشه از زمان حال ساده استفاده کن، حتی اگه داری درباره آینده حرف می‌زنی. مثلاً
Only if it rains
درسته، نه
Only if it will rain
.
frontend.learn_grammar.from_rule: شرایط قوی: قوانین 'فقط اگر'

واژگان کلیدی (5)

Stipulation A condition or requirement Hypothetical Based on a suggested idea Otherwise Or else; in different circumstances Provided On the condition that Strict Demanding that rules are obeyed

Real-World Preview

file-text

Legal Agreement

Review Summary

  • Unless + present, future

اشتباهات رایج

Do not use 'not' with 'unless' because 'unless' already implies a negative. It is a double negative.

Wrong: Unless you will not go, I will be sad.
صحیح: Unless you go, I will be sad.

Avoid using 'will' in the conditional clause itself.

Wrong: Provided that you will help me.
صحیح: Provided that you help me.

'Otherwise' acts as an adverb, not a conditional conjunction like 'if'.

Wrong: Otherwise you study, you fail.
صحیح: Otherwise, you will fail.

قواعد این فصل (10)

Next Steps

You have conquered complex conditionals! Your English is becoming more precise and professional every day.

Read a formal contract and highlight conditional phrases.

تمرین سریع (10)

جای خالی رو با کلمه درست پر کن.

I'll go to the party ___ I'm too tired.

✓ Correct! ✗ Not quite. Correct answer: unless
Unless اینجا مناسبه چون معنی «اگه خیلی خسته نباشم» رو میده. یه شرط برای نرفتن مشخص می‌کنه.

frontend.learn_grammar.from_rule: استفاده از 'Unless': میانبر 'If Not'

اشتباه رو پیدا کن.

Find and fix the mistake:

In the event that the food is cold, please to tell the waiter.

✓ Correct! ✗ Not quite. Correct answer: In the event that the food is cold, please tell the waiter.
'to' اضافی رو قبل از فعل 'tell' توی قسمت نتیجه، حذف کن.

frontend.learn_grammar.from_rule: شرایط رسمی: در صورتی که (اگر)

کدوم جمله از نظر گرامری درسته؟

بهترین قول رو انتخاب کن:

✓ Correct! ✗ Not quite. Correct answer: I'll help you even if I'm busy.
نتیجه باید آینده باشه ('I'll help') و شرط باید حال باشه ('I'm busy').

frontend.learn_grammar.from_rule: حتی اگر: مهم نیست چه اتفاقی بیفتد

کلمه درست رو برای کامل کردن جمله انتخاب کن.

You should leave now; _______, you'll miss your flight.

✓ Correct! ✗ Not quite. Correct answer: otherwise
'Otherwise' به درستی نتیجه منفی عدم ترک الان رو نشون میده.

frontend.learn_grammar.from_rule: گرامر انگلیسی: "Otherwise" (کلمه 'در غیر این صورت')

Fill the blank.

If you ___ (heat) ice, it melts.

✓ Correct! ✗ Not quite. Correct answer: heat
Zero conditional.

frontend.learn_grammar.from_rule: Zero and First Conditional: B2 Review and Refinements

اشکال در استفاده از کاما رو پیدا کن.

Find and fix the mistake:

Provided that it is cheap I will buy it.

✓ Correct! ✗ Not quite. Correct answer: Provided that it is cheap, I will buy it.
وقتی شرط اول میاد، قبل از جمله اصلی به کاما نیاز داری.

frontend.learn_grammar.from_rule: انعقاد قرارداد: Provided That & Providing That

جای خالی رو با عبارت درست پر کن.

I will eat pizza ___ it has pineapple.

✓ Correct! ✗ Not quite. Correct answer: only if
تو این جمله، گوینده یه شرط خیلی خاص برای پیتزاش داره.

frontend.learn_grammar.from_rule: شرایط قوی: قوانین 'فقط اگر'

اشتباه رو تو این پیامک پیدا و اصلاح کن.

Find and fix the mistake:

Even if the bus is late I will wait.

✓ Correct! ✗ Not quite. Correct answer: Even if the bus is late, I will wait.
وقتی جمله با 'Even if' شروع میشه، بعد از قسمت شرطی به کاما نیاز داری.

frontend.learn_grammar.from_rule: حتی اگر: مهم نیست چه اتفاقی بیفتد

جای خالی رو با کلمه درست پر کن.

In the event ______ the train is late, I will call you.

✓ Correct! ✗ Not quite. Correct answer: that
عبارت کامل و رسمی 'In the event that' هست.

frontend.learn_grammar.from_rule: شرایط رسمی: در صورتی که (اگر)

جای خالی رو پر کن

The boss will give him a bonus on condition that he ___ the project today.

✓ Correct! ✗ Not quite. Correct answer: finishes
بعد از 'on condition that' همیشه از زمان حال ساده استفاده کن، حتی اگه اتفاقی تو آینده قراره بیفته.

frontend.learn_grammar.from_rule: به شرط آنکه (On Condition That)

Score: /10

سوالات رایج (6)

یعنی «اگه نه» یا «به جز اگه». یه شرطی رو میذاره که اگه اون اتفاق نیفته، وضعیت فرق می‌کنه. مثلاً: "I'll go unless it's cold« یعنی »میرم اگه هوا سرد نباشه".
نه، این دو تا منفی میشه! چون unless خودش معنی if not رو میده، اضافه کردن "don't« مثل اینه که بگی »اگه تو نری نری«. فقط بگو: »Unless you go".
بله، ولی فقط برای مقایسه. مثلاً:
The table is as long as the bed.
برای اندازه‌گیری ساده، فقط بگو
The table is 2 meters long.
بله! توی پیام‌ها خیلی رایجه: "I'll be there as long as the bus is on time."
آره، کاملاً میتونی! فقط یادت باشه که بعد از قسمت اول جمله، یه کاما (ویرگول) بذاری. مثلاً: "Even if it's cold, I'll wear a jacket."
هیچ‌کدوم محترمانه‌تر نیست. 'Even if' فقط نشون میده که تو مصمم‌تری و نتیجه حتمیه. مثلاً: "Even if it's hard, I will try."