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Category: englishenglish

Verbs. MUST and SHOULD

1.

MUST and SHOULD
We use
MUST
to talk about …
We use
SHOULD
to give …
OBLIGATION and PROHIBITION
Must (Obligation): I must do my homework.
Mustn’t (Prohibition): You mustn’t walk on the grass in the
park. It is forbidden.
ADVICE:
Should: You should eat healthy food. It’s good for you.
Shouldn’t: You shouldn’t stay up till late. It’s bad for you.

2.

HAVE TO and DON’T HAVE TO
We use
HAVE TO
to talk about …
We use
DON’T HAVE TO
to say that something is …
OBLIGATION
Have to: Police officers have to wear a uniform.
NOT NECESSARY:
Don’t have to: You don’t have to pick me up. I’ll take a
taxi.
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