You shouldn't forget about certain things, such as:
- no "s" in the 3rd person singular
- in the interrogative form we need "Inversion" (May I .....?)
- Modal + verb in the infinitive
- the meaning of the modal verb depends on the context of the sentence.
A. Ability
can/can't/cannot/could (Present/future)
could/couldn't/could not (Past)
She can play piano.
They can't study alone.
B. Possibility
may/ might/could/ may not/ might not/ could not/ couldn't (Present/future)
might have/ may have / could have (past)
Jane might go to the party.
Jess may win the competition.
C. Permission
can/can´t/ may/ may not
Teacher, sorry I'm late. May I come in?
Dad, can I go to the party?
D. Certainty/ Obligation
must/ mustn't/ must not (present/ future)
must have (past)
You must obey the school's rules.
Tomorow you have a Maths test. You must study!
E. Advice
should/ shouldn't (present/ future)
should have (past)
I think you should talk to them.
Should he go to the doctor?
3 comentários:
hi teatcher its me Henrique calado im just seing your blog and i liked it its very cool and useful maybe you culd put some old tests to help us prepare for tests.
atenfuly
Henrique calado.
Wonderful idea!
Hi Teacher!
I like the blog, we can know about the tests and study for them, and even take our doubts (:
It's such a great ideia, really.
Now I have to finish the english question tags' work :D
Kiss *
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