B2 GRAMMAR · PRACTICAL GUIDE

Modal verbs for deduction

Use must, might, may and can’t to show how certain you are about a conclusion.

Bir çıkarımdan ne kadar emin olduğunuzu must, might, may ve can’t ile gösterin.

STRUCTUREmust/might/may/can’t + base verb; modal + have + past participle
BEST FOR · evidence-based guesses about present and past

See the pattern in use

POSITIVE
The lights are on, so they must be home.Işıklar açık; evde olmalılar.
NEGATIVE
This can’t be the correct platform.
QUESTION
Could the email have gone to spam?

Common learner mistake

She must to be busy.She must be busy.

Read the structure again, then say the corrected sentence aloud as one complete phrase.

TURN THE RULE INTO A SKILL

Notice it. Say it. Use it.

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