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MODALS VERBS (Speculation and expectation (Must (He must really enjoy life…
MODALS VERBS
Speculation and expectation
Must
He must really enjoy life because he always has a smile on his face.
.
He must not (mustn't) be very happy if he always has a frown
Will
Many industrialized countries won't stop polluting the environment!
If all countries stop polluting, greenhouse gases will significantly drop.
may:
Sandy may study abroad next fall, but only if she gets good grades this spring.
might:
Although we might have cars that fly in 50 years, I doubt it.
Advise
Should
Subject + Should + Base Verb.
You should eat healtdhy food
Ought to
If you haven’t read the book then you ought to see the movie.
Had better
It’s five o’clock. I’d better go now before the traffic gets too bad.
Obligation
Present
We can use have to+ infinitive
or must +infinitive
Must
I must study today.
Have to
Childrens have to go to the school
Past
Must change to had to
Had to
I had to wear a school uniform when I was a child.
Prohibition
Can’t
You can’t smoke in the cinema
Must not
You should not use a cell phone at the cinema
No obligation
Need not
I need not play football.
Don’t have to
I don't have to work on Sundays.