1.
1. have to 2. don’t have to 3. has to 4. doesn’t have to 5. have to 6. don’t have to
2.
1. has to 2. have to 3. has to 4. have to 5. don’t have to 6. doesn’t have to
3.
2. Grandma doesn’t have to go to work.
3. Mechanics don’t have to work with children.
4. I have to do my homework.
5. You have to clean your room.
6. A doctor doesn’t have to sing.
7. Mom and Dad don’t have to go to bed early.
8. Ana and I have to take out the garbage.
9. My teacher has to speak English.
10. My little sister doesn't have to wash her clothes.
4.
1. has to
2. doesn’t have to
3. has to
4. doesn’t have to
5. have to
6. don’t have to
7. doesn’t have to
5.
1. O 2. N 3. N 4. O 5. O 6. N
6.
1. have to
2. have to
3. can’t
4. can
5. don’t have to
6. have to
7.
1. has to fly
2. doesn’t have to work
3. have to study
4. don’t have to wear
5. has to wash
6. don’t have to set
8.
1. T 2. T 3. F 4. T 5. T 6. T
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