The modal verb used to talk about obligations and prohibitions
MUST
This modal verb is used to give advice.
SHOULD
We use this auxiliary verb to talk about responsibilities.
HAVE TO
This structure is used to talk about inferences in the present and the future.
MUST (VERB IN INFINITIVE)
The structure we use to make an inference for past events.
MUST HAVE (VERB IN PARTICIPLE)
The structure we use to express regrets and expectations.
SHOULD HAVE (VERB IN PARTICIPLE)
A) I have an exam tomorrow.
(Use the verb study in your response).
B) You have to study.
A) My mother has had a terrible toothache since last weekend.
b) She should go to the dentist.
In the zoo, you ________ feed the animals.
MUST NOT
He ________ ________ to drive his father's car without permission.
(Responsibility)
DOESN'T HAVE TO
Is this an inference? Why?
My friend should have gone to the doctor before.
No, it isn't.
Because this is a regret.
Is this a regret? Why?
A)I talked to her yesterday and she didn't tell me anything about the problem. She should have told me what the problem was in order to solve it.
Yes, it is.
We are using SHOULD HAVE.
Is this an advice?
If you feel sick you should rest for a while.
Yes, it is.
We use should and we are giving a suggestion to the other person.
Is this an inference for a past action?
I must leave my keys at home. I don't have them.
I must have left my keys at home. I don't have them.
Complete this regret.
I _______ ________ ________ a lot of beer at the party, I feel terrible today.
I shouldn't have drunk a lot of beer at the party, I feel terrible today.
Mention the past simple and past participle of the next verbs.
walk need
swim drink
speak leave
walk - walked - walked
swim- swam-swum
speak-spoke- spoken
need- needed- needed
drink-drank- drunk
leave-left-left
She ____________ a book while her sister was washing the dishes.
She was reading a book while her sister was washing the dishes.
They _________ to Mexico City two years ago. (move)
They moved to Mexico City two years ago.
She _________ a poem for almost an hour last night.
She was writing a poem for almost an hour last night.
By the time the game _________ (start), the fans had found their seats.
By the time the game started, the fans had found their seats.
My mom _________ (clean) my room while I ________ (play) video games.
My mom was cleaning my room while I was playing video games.
My brother ___________ (watch) TV when my mom ________ (call).
My brother was watching TV when my mom called.
She _________ (study) a lot before she ________ (take) the test.
She had studied a lot before she took the test.
What's the teacher's favorite band?
The best singers ever.
BTS
Is it correct?
She must have wrote a important report for the meeting.
She must have written an important report for the meeting.