Ave to / don’t have to

HAVE TO
We use HAVE TO to express obligation (when something is necessary) in the present or future.

The boy has to wake up at 7 o’clock in the morning.
Examples:
The boys have to study hard.

Affirmative Sentences
I / YOU/ WE / THEY
You HAVE TO arrive on time to classes
SHE/ HE / IT
She HAS TO brush her teeth everyday
HAVE TO
HAS TO
S + HAVE TO/ HAS TO + VERB + COMPLEMENT

DON’T HAVE TO
We use DON’T HAVE TO to express absence of obligation (=when something is not necessary to do)

The children don’t have to go to school today.
It’s Saturday!
She doesn’t have to eat all the fruits.

I / YOU / WE / THEY
We don’t have to get up early on Sundays
SHE / HE / IT
He doesn’t have to get up early on Sundays
DON’T
DOESN’T
Negative Sentences
S + DON’T HAVE TO/ DOESN’T HAVE TO + VERB + COMPLEMENT

DO
DOES
I/ YOU/ WE/ THEY HAVE TO…?
HE/ SHE/ IT HAVE TO…?
DO/ DOES + S + HAVE TO+ COMPLEMENT?

QUESTIONS
Do you have to eat the vegetables?
Yes, I do. / No, I don’t
Does he have to eat the vegetables?
Yes, he does/ No, he doesn’t

LET’S PRACTICE

Order the following sentences
1.- clean your room/ have to/ you
2.- they/ play football/ Do/ have to ?
3.- don’t have to/ I/ make my bed.
1.- You have to clean your room.
2.- Do they have to play football?
3. I don’t have to make my bed.

4.- do the dishes/ has to/ she.
5.- cut the grass/ Does/ have to/ he?
6.- She/ study/ has to/ everyday.
4. She has to do the dishes.
5. Does he have to cut the grass?
6. She has to study every day.

Complete with HAVE TO/ HAS TO/ don’t have to/ doesn’t have to
1.- Sarah_________ (+) study hard for the exam.
2.- David ________ (+) clean his room.
3.- I __________ (-)cut the grass every Sunday.
4.- Andres__________ (-) play football after class.
5.- You____________ (+) make your bed everyday.
HAS TO
HAS TO
DON’T HAVE TO
DOESN’T HAVE TO
HAVE TO