MODAL VERBS OF OBLIGATION

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DFT3112-PROFESSIONALISM AND ETHICS IN COMPUTING

par mindo momo

TAG QUESTION

par Elvira Ortiz

Determinism

par Clare O'leary

Grammatical topics of B2 level of English

par Cori Garzón

MODAL VERBS OF OBLIGATION

SHOULD/SHOULDN'T

ADVICE

We shouldn't stay up until late

We should leave early

HAVE TO

Rules, laws, coming from OUTSIDE

All tenses

Do-Does for questions

-s in the 3rd person singular

MUST

PERSONAL obligation

You MUST see the doctor

only present form

followed by infinitive without to

Ex. I MUST do my homework