Have To :
Have To Expresses strong obligation.
The obligation comes from outside - a law, a rule at school / work
For example:
My brother has to start work at 8 o’clock.
Why did you have to work last weekend?
Don’t/ Doesn’t Have To :
Don’t/ Doesn’t Have To Expresses absence of obligation.
For example:
My father doesn’t have to wake up early because he is retired.
We don’t have to do the washing up. We have got a dishwasher.
Which of these things do you have to do at school and which ones you don’t have to do? Write sentences. :
Which of these things do you have to do at school and which ones you don’t have to do? Write sentences. Wear a uniform
Study in the evening
Talk in English
Go to school at the weekend
Listen to your teacher very carefully
Should :
Should Expresses mild obligation or advice
Expresses the opinion of the speaker
It is often introduced by “I think or I don’t think”
For example:
I think you should work hard.
I don’t think people should get married until they are 22.
Give advice to these people. Use “I think…..should or I don’t think……should :
Give advice to these people. Use “I think…..should or I don’t think……should Lisa shouts at her mother.
My children spend all their money on chocolate.
I have lost all my credit cards.
John has got a temperature and his body aches. He feels awful.
Have to or ShouldUse correct form of have to or should and complete the sentences below. :
Have to or ShouldUse correct form of have to or should and complete the sentences below. You………. tell lies. It’s wrong.
I’m going to bed I……….. get up early tomorrow.
I think you ……… have a break because you work too much.
My sister ………… do the ironing because my mother does it for her.
You ………. eat with your fingers in a restaurant.
John’s daughter………..get up early in the morning because she doesn’t go to school.
Tom is a businessman so he has to go meetings regularly.