MODAL VERBS OF OBLIGATION

Mere som dette

Present perfect / Past simple

af Kerlyn Conlago

Simple Past Tense

af jose nuñez

INDIRECT QUESTIONS

af Alejandra Huertas

QUALITATIVE AND QUANTITATIVE RESEARCH

af Carlos Arturo Valencia

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