Modal verbs rules, examples

Modal verbs

Modal verbs are ...

can / could / may / might / must / shall / should / ought to / will / would

Use modal verbs to show if we believe something is certain, probable or possible or impossible an to express properties such as possibility and obligation.
No 's' for the third person singular. Followed directly by the infinitive of another verb without 'to'.

Modal verbs are used to express functions such as ability, advice, permission, obligation,possibility and prohibition.

must + infinitive

must = obligation

Examples must + infinitive

Dad must cut the gras. It's too long.
The pupils must learn vocabulary. They'll write a test.
She must go to the hospital. She's ill.

Simple present

Simple past

can - permission
may - possibility, probability
must - obligation
shall - advice

could
might
had to
should


Modal verbs - negative

can't
mustn't
needn't
couldn't
shouldn't

Modal verbs and their substitutes

can
may
must
must not
need
need not
ought to
shall/should

to be able to
to be allowed to
to have to
not to be allowed to
to have to
not to have to
to be supposed to
to be supposed to

Exercises modal verbs

01 modal verbs rules examples
02 must mustn't can could should
03 must can could should need
04 mustn't needn't
05 must mustn't can could should
06 can could should needn't
07 could should needn't
08 must can could should
09 modal verbs exercise
10 modal verbs Test

Modal verbs examples

Modal verbs with explanations, examples and exercises. Change the following sentences into Modal verbs and learn with English online exercises.

Free tutorial Modal verbs. English Modal verbs exercises. English grammar easy to learn.  英语在线练习. Exercícios das aulas de Inglês grátis online, exercícios de vocabulários, gramática inglesa.