English — Grammar: Modal Verbs — 4th Year Middle School — Algerian Curriculum

Modal Verbs

Ability

can, could: I can swim. I could run fast when I was young.

Permission

can, may: Can I go out? May I come in?

Obligation

must (strong), should (advice): You must obey. You should study.

Prohibition

mustn’t, can’t: You mustn’t smoke here.

Exercise

Fill: You (should/must) brush your teeth. I (can/must) speak English.

Comparison | Grammar

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