Amapro indirecto

MODAL VERBS
“HAVE TO”

"Have to" is used to express certainty, necessity, and obligation.
Examples:
This answer has to be correct. certainty
The soup has to be stirred continuously to prevent burning. necessity
They have to leave early. obligation

Exercise 1
Take on the words in the correct order to make positives, negatives and questions with have to.
 
1.– postman/early./to/has/get/A/up

----------------------------------------------------------------
2. – answer/lots/calls./to/I/of/phone/have

----------------------------------------------------------------
3. – on/The/to/a/she/go/diet./has/doctor/says

----------------------------------------------------------------
4. – go/have/do/you/When/to/home?----------------------------------------------------------------
5. – to/be/has/mistake./a/This

----------------------------------------------------------------
7. – mad/to/work/You/have/here./to/be

----------------------------------------------------------------
8. - fault. was to my say I have it

----------------------------------------------------------------

Exercise 2
Rearrange the lines

All your money on clothes and going outbut you have to
Of self study so you do have to be
your own clothes and manage your own budget. You quickly learn that you mustn’t spend
Being a student at university is very
Different from being at school. At university, you don’t have to wear
Able to plan your own work. As you live away from home, you also have to be
Able to look after yourself! You have to wash
A uniform and you don’thave to be
There all day every day. But you do have to work
Buy food and books.
Hard. You have to do a lot
____________________________________________________________

____________________________________________________________

____________________________________________________________

________________________________________________________________________________________________________________________

____________________________________________________________

____________________________________________________________

____________________________________________________________

____________________________________________________________

________________________________________________________________________________________________________________________

____________________________________________________________

____________________________________________________________

____________________________________________________________

____________________________________________________________

____________________________________________________________

________________________________________________

“MUST”Must" is most commonly used to express certainty. It can also be used to express necessity or strong recommendation, although native speakers prefer the more flexible form "have to."

Exercise 3
Mix and Match

He´s broken his leg. It must be great living here.

The house is huge. You must be very tired.

You’ve had a long day.It must be worth a fortune.

I can’t find my keys. He must be in terrible pain.

If you missed lunch, you must be hungry.

It’s a beautiful city. He’s older than me so he must be 20

Whose is this umbrella? You must be cold.How old is William now? It must be Sally’s.

What time is it? They must be here somewhere.

You’re not wearing a coat. It must be six o’clock by now.

Exercise 4
Complete the sentences using MUST or HAVE TO
1) I ____________ be at the meeting by 10:00....