A2 · مقدماتی فصل 26

Modal Verb Nuances

1 مجموع قواعد
10 مثال‌ها
1 دقیقه
قواعد این فصل تمرین سریع

Chapter in 30 Seconds

Master the art of expressing necessity and ability in Russian with confidence.

  • Conjugate the verb 'мочь' to express capability.
  • Apply the short-form adjective 'должен' to indicate obligation.
  • Combine modal verbs with infinitive verbs to form complete thoughts.
Speak with intention: Can, must, and beyond.

چی یاد می‌گیری

Using modal verbs like 'mogu', 'dolzhen', 'khotet'. Expressing ability and obligation.

Learning Objectives

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

  1. 1
    By the end you will be able to: Express personal ability and social obligations in simple everyday Russian.

مثال‌های کلیدی (2)

1

Я не могу это развидеть.

I can't unsee this.

افعال وجهی روسی: توانستن و باید (Мочь, Должен)
2

Ты должен посмотреть этот сериал на Netflix!

You must watch this series on Netflix!

افعال وجهی روسی: توانستن و باید (Мочь, Должен)

نکات و ترفندها (1)

⚠️

The Infinitive Trap

Always keep the main verb in the infinitive. Never say 'я могу читаю'. It must be 'я могу читать'.
frontend.learn_grammar.from_rule: افعال وجهی روسی: توانستن و باید (Мочь, Должен)

واژگان کلیدی (5)

мочь to be able to должен must / ought to хотеть to want работать to work идти to go

Real-World Preview

briefcase

At the Office

Review Summary

  • Subject + Modal (могу/должен) + Infinitive

اشتباهات رایج

While 'должен' works for duty, 'нужно' is more natural for general necessity or errands.

Wrong: Я должен идти в магазин завтра.
صحیح: Мне нужно идти в магазин завтра.

Never use the infinitive 'мочь' after a subject; always conjugate it to 'может'.

Wrong: Он мочь работать.
صحیح: Он может работать.

Adjectives like 'должен' must agree with the gender of the subject. Use 'должна' for feminine subjects.

Wrong: Она должен учиться.
صحیح: Она должна учиться.

Next Steps

You are doing fantastic! Keep building those sentences one step at a time.

Write 5 sentences about your daily chores using 'должен'.

Continue to: Relative Clauses

تمرین سریع (3)

Fill in the blank with the correct form of 'мочь'.

Я ___ (can) прийти завтра.

✓ Correct! ✗ Not quite. Correct answer: могу
The 'я' form of 'мочь' is 'могу' (I can).

frontend.learn_grammar.from_rule: افعال وجهی روسی: توانستن و باید (Мочь, Должен)

Choose the correct sentence for a woman speaking.

How should a woman say 'I must go'?

✓ Correct! ✗ Not quite. Correct answer: Я должна идти.
'Должен' is a short adjective and must agree with the feminine subject 'я' (she).

frontend.learn_grammar.from_rule: افعال وجهی روسی: توانستن و باید (Мочь, Должен)

Find and fix the mistake in the sentence.

Find and fix the mistake:

Мы может купить билеты.

✓ Correct! ✗ Not quite. Correct answer: Мы можем купить билеты.
The 'мы' form of 'мочь' is 'можем'.

frontend.learn_grammar.from_rule: افعال وجهی روسی: توانستن و باید (Мочь, Должен)

Score: /3

سوالات رایج (2)

'Уметь' is for learned skills (like playing piano), while 'мочь' is for physical possibility or opportunity. For example, you 'умеешь' swim, but you 'можешь' swim today because the pool is open.
It is slightly irregular: 'мог' (m), 'могла' (f), 'могло' (n), 'могли' (pl). For example: 'Я не мог спать' (I couldn't sleep).
فصل قبلی
Genitive Case Mastery
فصل بعدی
Relative Clauses
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