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.
你将学到什么
Using modal verbs like 'mogu', 'dolzhen', 'khotet'. Expressing ability and obligation.
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俄语情态动词：能与必须 (Мочь, Должен)Conjugate the modal verb based on the subject and always keep the following action verb in the infinitive.
Learning Objectives
By the end of this chapter, you will be able to:
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By the end you will be able to: Express personal ability and social obligations in simple everyday Russian.
关键例句 (2)
Ты должен посмотреть этот сериал на Netflix!
You must watch this series on Netflix!
俄语情态动词：能与必须 (Мочь, Должен)技巧与窍门 (1)
The Infinitive Trap
核心词汇 (5)
Real-World Preview
At the Office
Review Summary
- Subject + Modal (могу/должен) + Infinitive
常见错误
While 'должен' works for duty, 'нужно' is more natural for general necessity or errands.
Never use the infinitive 'мочь' after a subject; always conjugate it to 'может'.
Adjectives like 'должен' must agree with the gender of the subject. Use 'должна' for feminine subjects.
Next Steps
You are doing fantastic! Keep building those sentences one step at a time.
Write 5 sentences about your daily chores using 'должен'.
快速练习 (3)
How should a woman say 'I must go'?
frontend.learn_grammar.from_rule: 俄语情态动词：能与必须 (Мочь, Должен)
Find and fix the mistake:
Мы может купить билеты.
frontend.learn_grammar.from_rule: 俄语情态动词：能与必须 (Мочь, Должен)
Я ___ (can) прийти завтра.
frontend.learn_grammar.from_rule: 俄语情态动词：能与必须 (Мочь, Должен)
Score: /3
