1)make questions to which the following sentences might be the answers.

1.it’s getting dark so we have to go.

2.you broke the window so you have to pay for it.

3.the car was broken down so we have to walk.

4.mother is away so we have to cook our meals.

5.i’ve got it all wrong so i have to start all over again.

6.i had to lend him some money.

7.i have to be there at one o’clock.

8.i had to wait for him for an hour.

9.we have to buy petrol every other day.

10.he has to wait for a bus for twenty minutes.

2)insert either be to or have to.

1. we have a seminar the day after tomorrow, i prepare for it. 2. the meeting begin at 5 o’clock and so i take a taxi. 3. the lecture start at 10 and we take a snack at the snackbar. 4. they have a test on monday and she work hard at the weekend. 5. he be there at 3 o’clock sharp and he walk very quickly. 6. he arrive on monday so i stay in town.

1

1. Why are you leaving?

- It’s getting dark so we have to go.

2. Why do you want me to pay?

-You broke the window so you have to pay for it.

3. Why don't you go by car?

- The car was broken down so we have to walk.

4. Why are you cooking dinner?

- Mother is away so we have to cook our meals.

5. Why are you doing this again?

- I’ve got it all wrong so I have to start all over again.

6. Did he have enough money to pay?

- I had to lend him some money.

7. What time do you have to be there?

- I have to be there at one o'clock.

8. Did he come on time?

- I had to wait for him for an hour.

9. How often do you buy petrol?

- We have to buy petrol every other day.

10. Why doesn't he come by bus?

- He has to wait for a bus for twenty minutes.

2

1. We are to have a seminar the day after tomorrow, I have to prepare for it. 2. The meeting is to begin at 5 o’clock and so I have to take a taxi. 3. The lecture is to start at 10 and we have to take a snack at the snackbar. 4. They are to have a test on Monday and she has to work hard at the weekend. 5. He is to be there at 3 o’clock sharp and he has to walk very quickly. 6. He is to arrive on Monday so I have to stay in town.