Write a sentence with if for each situation. 2. he doesn't speak very clearly --that's why people don't understand him. if he more people 3. that book is too expensive, so i'm not going to buy it. if the book i 4. we don't go out very often because we can't afford it. 5. it's raining, so we can't have lunch in the garden. 6. i have to work tomorrow evening, so i can't meet you.

2) if he speaks more clear people will understand him

3) if the book were cheaper i would buy it

4) we would go uot very often if we could afford it

5) we could have lunch in the garden if it is not rainy

6)if i don't have to work tomorrow evenig i   would meet you

1. I have been reading this book for three days.

I have not been reading this book for three days.

Have I been reading this book for three days?

2. We have been playing volleyball for twenty minutes.

We have not been playing volleyball for twenty minutes.

Have we been playing volleyball for twenty minutes?

3. She has been cleaning the flat for more than an hour.

She has not been cleaning the flat for more than an hour.

Has she been cleaning the flat for more than an hour?

4. Peter has been swimming for half an hour.

Peter has not been swimming for half an hour.

Has Peter been swimming for half an hour?

5. Ann has been speaking on the phone for an hour now.

Ann has not been speaking on the phone for an hour now.

Has Ann been speaking on the phone for an hour now?

6. You have been waiting for a bus for ten minutes only.

You have not been waiting for a bus for ten minutes only.

Have you been waiting for a bus for ten minutes only.