B1 · متوسط فصل 31

خمن بذكاء: فن التعبير عن الاحتمالات واليقين

5 القواعد الإجمالية
51 أمثلة
6 دقيقة
القواعد في هذا الفصل تدريب سريع

Chapter in 30 Seconds

Master the art of expressing uncertainty and logical deductions with professional precision.

  • Differentiate between weak and strong possibilities using modal verbs.
  • Make logical deductions based on evidence using 'must' and 'can't'.
  • Use advanced probability adjectives and adverbs to sound more natural.
Stop guessing, start expressing levels of certainty.

ما ستتعلمه

أهلاً بك يا بطل في مرحلة جديدة! هل شعرت يوماً بالحيرة وأنت تحاول التعبير عن شيء لست متأكداً منه تماماً بالإنجليزية؟ في هذا الفصل، سننتقل بمهاراتك إلى مستوى أعمق من الدقة والذكاء اللغوي. بدلاً من الاعتماد على الكلمات البسيطة، ستتعلم كيف تستخدم may و might لفتح باب الاحتمالات بمرونة، وكيف توظف must للوصول إلى استنتاجات منطقية قوية عندما تكون الأدلة واضحة أمامك. تخيل أنك في العمل وزميلك تأخر عن الاجتماع؛ هل ستكتفي بقول إنه متأخر؟ أم ستستخدم جملة مثل He must be stuck in traffic لتبدو أكثر إقناعاً وتحليلاً؟ سنغوص أيضاً في تفاصيل تجعلك تبدو كمتحدث أصلي (Native Speaker)، مثل إضافة well لتقوية توقعاتك، أو استخدام can't be للتعبير عن الاستحالة المنطقية. ولن نكتفي بالأفعال فحسب، بل سنضيف لمسة احترافية لقاموسك باستخدام تعبيرات متنوعة مثل bound to و likely لتصف مدى تأكدك من وقوع الأحداث. بنهاية هذا الفصل، ستكون قادراً على تحليل المواقف، توقع النتائج، والتعبير عن الشك واليقين بمرونة تامة. ستنتقل من مجرد وصف الحقائق إلى إدارة الحوارات التي تتطلب استنتاجاً وتوقعاً، مما يمنحك ثقة أكبر في النقاشات اليومية والمهنية. هل أنت مستعد لتبهر الجميع بدقتك؟ لنبدأ الرحلة!

Learning Objectives

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

  1. 1
    By the end you will be able to: describe a 30-50% chance of an event happening using may or might.
  2. 2
    By the end you will be able to: conclude that something is definitely true or false based on evidence.
  3. 3
    By the end you will be able to: rank different outcomes from 'unlikely' to 'bound to' using non-modal structures.

دليل الفصل

نظرة عامة

As a B1 English learner, you're moving beyond basic communication and starting to express more nuanced ideas. This is where understanding English possibility and probability becomes incredibly useful! Imagine you're making plans, discussing news, or even just wondering about the weather – knowing how to express how likely something is can really boost your confidence and make your English sound much more natural.
This chapter will equip you with essential tools to talk about uncertainty and make logical deductions.
We'll explore how to use modal verbs like may and might to express things that are simply possible, and how must helps you sound confident about a logical conclusion. You'll also learn handy phrases like may well and might well to express a higher degree of probability. By mastering these concepts, you'll be able to discuss potential outcomes, explain why you think something is true, and even confidently state when something just can't be!
These are all key skills for navigating a wide range of everyday conversations at the B1 English grammar level.
Being able to differentiate between something that *might* happen and something that *must* be true based on evidence will help you communicate more precisely. It's about adding depth to your English, allowing you to share your thoughts and reasoning in a clear and convincing way. Get ready to discuss possibilities and probabilities like a pro!

كيف تعمل هذه القاعدة

Let's break down the core grammar rules for expressing possibility and probability in English. We use modal verbs to do this, and they always precede a base verb (the infinitive without 'to').
When you're talking about something that is possible, but not certain, you'll use may or might. They are largely interchangeable for present or future possibility. For example,
It may rain later
means there's a chance of rain.
Similarly,
She might be at the library
suggests it's a possibility, but you're not sure. These express general uncertainty or a 'maybe' situation.
Now, if you're quite sure about something based on evidence or logic, you use must. This isn't about obligation; it's about making a logical deduction. If your friend has been studying all night, you could say,
She must be tired.
You're almost certain based on the clues.
This is called the epistemic must. The evidence makes it highly probable.
To add a bit more strength to your predictions, you can use may well or might well. These phrases indicate that something is quite likely because it makes good sense or there are strong reasons for it. For instance, "If he doesn't study, he may well fail the exam" implies that it's a very probable outcome given his actions.
It's stronger than just may or might alone, suggesting a reasonable expectation.
Finally, when you're absolutely certain that something is logically impossible, you use can't. For example, if you see someone enter a room and then immediately leave through the same door, you could say, "She can't be in the room anymore." The evidence tells you it's impossible. It's the opposite of must for logical deduction.
These structures build on each other, allowing you to express varying degrees of certainty.

الأخطاء الشائعة

  1. 1✗ Using 'must' for permission instead of logical deduction in this context.
✓ He must be home, his car is in the driveway. (Correct: Logical deduction)
✗ You must go to the party. (Incorrect for probability; this is obligation. For possibility, you might say
You might go to the party if you want.
)
*Explanation:* Remember that the 'must' we're focusing on here is for making a logical guess, not for giving orders or saying something is required.
  1. 1✗ Confusing 'may' and 'might' for past possibility.
✓ She may have forgotten her keys. (Correct for past possibility)
✗ She might forget her keys yesterday. (Incorrect: 'Might' for past possibility needs 'have' + past participle)
*Explanation:* For past possibility or probability, you need to use may have + past participle or might have + past participle. The chapter focuses on present/future, but this is a common extension.
  1. 1✗ Using 'cannot' instead of 'can't' for logical impossibility in informal contexts.
✓ That can't be true! (Correct: Common and natural)
✗ That cannot be true! (Less natural in everyday, conversational English for this specific meaning, though grammatically correct)
*Explanation:* While 'cannot' is grammatically fine, 'can't' is much more common and natural when expressing logical impossibility in conversational English.

محادثات حقيقية

A

A

The lights are off in John's office. He usually works late.
B

B

He must have left already. It's almost 7 PM.
A

A

Do you think Sarah will come to the party?
B

B

She said she was busy, so she might not make it. But she may well surprise us if her meeting finishes early.
A

A

I can hear music from next door.
B

B

Oh, that can't be my neighbour. He's on holiday in Spain this week!

أسئلة شائعة

Q

Can I use 'may' and 'might' interchangeably for possibility?

Yes, in most cases for present and future possibility, may and might are interchangeable. Some people feel 'might' expresses a slightly weaker possibility, but the difference is very subtle and often not significant in everyday conversation.

Q

How is 'must' for possibility different from 'must' for obligation?

Must for possibility (epistemic) means

I am almost certain based on evidence
(e.g.,
He must be rich; he drives a fancy car.
). Must for obligation means
It is necessary or required
(e.g.,
You must finish your homework.
). The context makes the meaning clear.

Q

Is 'may well' much stronger than 'may'?

Yes, may well expresses a higher degree of probability than just may. It suggests that something is quite likely because there's a logical reason or expectation for it to happen. It's like saying "it's very likely or it's probable."

Q

When should I use 'can't' instead of 'won't be able to' for impossibility?

Use can't when you're making a logical deduction that something is impossible based on facts or evidence ("That can't be true, I saw it myself!"). Use 'won't be able to' for future inability or lack of opportunity ("I won't be able to come tomorrow, I have an appointment.").

السياق الثقافي

Native English speakers use these modal verbs constantly to soften statements, express uncertainty, and convey different levels of conviction. In casual conversation, you'll hear might and can't a lot, as they add a natural flow. Must for deduction is also very common.
While may well and might well are perfectly natural, they tend to be slightly more formal or used when explaining a reasoned prediction. There aren't significant regional differences in the core usage of these modals, but the frequency of their use may vary slightly between individuals.

أمثلة رئيسية (2)

1

She **may well pass** the exam; she studied all week.

من المرجح جداً أن تنجح في الامتحان؛ فقد درست طوال الأسبوع.

معزز الاحتمالات: May Well & Might Well
2

The package **might well arrive** tomorrow, as it shipped yesterday.

من المحتمل جداً أن يصل الطرد غداً، فقد تم شحنه بالأمس.

معزز الاحتمالات: May Well & Might Well

نصائح وحيل (4)

💡

استخدمها للاقتراحات اللطيفة

كلمة Might ممتازة عشان تخلي نصيحتك ألطف ومش هجومية. بدل ما تأمر حد، جرب تقول:
You might want to consider this.
frontend.learn_grammar.from_rule: الإمكانية في الإنجليزية: May و Might
💡

ابحث عن الدليل أولاً!

قبل ما تستخدم 'must' للتخمين، تأكد إن عندك دليل ملموس يخليك واثق من كلامك:
She must be home.
frontend.learn_grammar.from_rule: التخمين المنطقي باستخدام 'Must' (المعرفي)
💡

عزز توقعاتك

تضيف may well طبقة من الثقة لتوقعاتك. استخدمها عندما تملك سبباً وجيهاً للاعتقاد بحدوث شيء:
This may well be the best solution.
frontend.learn_grammar.from_rule: معزز الاحتمالات: May Well & Might Well
💡

فكر في العكس

لو كنت هتستخدم must be للاستنتاج الإيجابي القوي زي
He must be rich
، فالعكس المنطقي هو can't be زي: "He can't be poor."
frontend.learn_grammar.from_rule: الاستحالة المنطقية (لا يمكن أن يكون!)

المفردات الرئيسية (6)

Evidence facts or signs that show something is true Likelihood the chance that something will happen Certain completely sure about something Possible able to be done or happen Impossible not able to occur or exist Predict to say what will happen in the future

Real-World Preview

coffee

Solving an Office Mystery

Review Summary

  • Subject + may/might + base verb
  • Subject + must + base verb
  • Subject + can't + base verb

أخطاء شائعة

In English, we do not use 'must not' for logical deductions. We use 'can't' to say something is logically impossible.

Wrong: It must be not true.
صحيح: It can't be true.

Modal verbs like 'might' never take an 's' in the third person singular.

Wrong: He mights come to the party.
صحيح: He might come to the party.

Adverbs of probability like 'probably' usually go after the first auxiliary verb or before the main verb.

Wrong: Probably I will see you later.
صحيح: I will probably see you later.

Next Steps

You've unlocked a new level of English! Being able to speculate and deduce makes your conversations much more interesting. Keep practicing those 'must be' moments!

Look out the window and make 5 'must be' and 5 'might be' observations about people you see.

Continue to: أسرار تراكيب الكلمات: دليلك للتحدث بطلاقة وعفوية

تدريب سريع (8)

اختر الصيغة الصحيحة

She's always late, so she ___ miss the bus.

✓ Correct! ✗ Not quite. Correct answer: may well
تعبر May well عن احتمالية قوية بناءً على تأخرها المستمر. أما May as well فهي للاقتراحات.

frontend.learn_grammar.from_rule: معزز الاحتمالات: May Well & Might Well

Fill in the blank.

It is ___ to rain.

✓ Correct! ✗ Not quite. Correct answer: likely
Likely takes 'to'.

frontend.learn_grammar.from_rule: Probability: Likely, Unlikely, Bound To, Definitely, Probably

ابحث عن الخطأ وصححه

Find and fix the mistake:

If you don't save, you might as well run out of money.

✓ Correct! ✗ Not quite. Correct answer: If you don't save, you might well run out of money.
نحتاج Might well للإشارة إلى الاحتمالية العالية والنتيجة المنطقية لعدم الادخار.

frontend.learn_grammar.from_rule: معزز الاحتمالات: May Well & Might Well

اختار الصيغة الصح عشان تعبر عن الاستحالة المنطقية.

He's only 16, so he ___ a licensed driver yet.

✓ Correct! ✗ Not quite. Correct answer: can't be
بما إنه عنده ١٦ سنة، فمن المستحيل منطقياً يكون معاه رخصة قيادة. can't be هي اللي بتعبر عن ده.

frontend.learn_grammar.from_rule: الاستحالة المنطقية (لا يمكن أن يكون!)

Fix the error.

Find and fix the mistake:

He is bound that he wins.

✓ Correct! ✗ Not quite. Correct answer: He is bound to win.
Bound to + infinitive.

frontend.learn_grammar.from_rule: Probability: Likely, Unlikely, Bound To, Definitely, Probably

Choose the correct sentence.

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: I will probably go.
Probably before verb.

frontend.learn_grammar.from_rule: Probability: Likely, Unlikely, Bound To, Definitely, Probably

أي جملة هي الصحيحة؟

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: He may well succeed.
الترتيب الصحيح هو may/might well + الفعل في المصدر. تأتي well مباشرة بعد الفعل المساعد.

frontend.learn_grammar.from_rule: معزز الاحتمالات: May Well & Might Well

لاقي الغلطة في الجملة وصلحها.

Find and fix the mistake:

They mustn't be home. Their car isn't in the driveway.

✓ Correct! ✗ Not quite. Correct answer: They can't be home. Their car isn't in the driveway.
كلمة mustn't غلط هنا لأننا بنعمل استنتاج منطقي بناءً على دليل (العربية مش موجودة)، فبنستخدم can't be.

frontend.learn_grammar.from_rule: الاستحالة المنطقية (لا يمكن أن يكون!)

Score: /8

أسئلة شائعة (6)

الفكرة هي إنك تقول إن الحاجة «ممكنة» بس مش أكيدة 100%. ده بيخليك تخمن براحتك من غير ما تلتزم بكلام قاطع، زي ما تقول:
It may rain later
.
في أغلب الحالات العادية، أيوة ينفع جداً. رغم إن might أحياناً بتبين إن الاحتمال ضعيف شوية، بس الفرق بسيط جداً ومش دايماً الناس بتلاحظه في الكلام اليومي:
She might be busy
.
الأمر كله يتعلق بعمل استنتاج قوي وواثق بناءً على الأدلة. أنت تقول: بما أن (أ) موجود، إذن (ب) لا بد أن يكون صحيحاً:
It must be true.
تكون متأكداً جداً! فكر في نسبة 95-99%. تستخدمها عندما يكون الدليل قوياً لدرجة أن النتيجة لا تقبل الشك:
He must be asleep.
تعني أن شيئاً ما مرجح جداً أو محتمل حدوثه بنسبة كبيرة، وهي أقوى من مجرد استخدام may وحدها. مثال:
It may well happen.
كلاهما يستخدم للاحتمالية العالية ويمكن تبادلهما غالباً. قد تكون might well أقل جزماً قليلاً أو تستخدم في المواقف الافتراضية. مثال:
She might well know.
الفصل السابق
تخيّل المستحيل: أسرار الحالة الشرطية الثانية
الفصل التالي
أسرار تراكيب الكلمات: دليلك للتحدث بطلاقة وعفوية
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