17. Please, study the Structure
I
You
We
They
have to
carry
water.
He
She
It
has to
18. have to or has to?
1.I have to/has to tidy my room every
weekend.
2.We have to/has to do our homework
everyday.
3.His dad have to/has to work at the weekends.
4.Susan have to/has to cook the dinner today.
5.Students have to/has to clean the class after
school.
19. Choose have to or has to in the
right form.
1. Drivers … have a survival kit in the car
all the time.
2. Drivers … wear their seatbelts.
3. We … use mobile phones during the
lessons.
4. Students … be polite to others.
5. My friends … respect each other.