Раскройте скобки, используя Present Indefinite, Present
Continuous, Present Prefect или Present Perfect
Continuous.
1. I (to ring) the
bell for the last quarter of an hour. 2. I want to see how much he (to change)
since I last saw him. 3. You (to have) any word from him since he left? 4.
Here's my key. I (to leave). 5. I asked them not to make any decision until
they (to get) the documents. 6. Wait till you (to see) Mark and (to talk) to
him. 7. But what will we do? - I (to think) about it a lot. I (to think) about
it all week. But I (not to know) what to do. 8. I mustn't let my eyes get all red
and swollen, or Henry will know I (to cry). 9. Look, I (to know) Francis very
well. I (to know) him since we were very young. 10. My dear, you and I (to be)
friends for all these years but I never (to tell) you what really happened to
Arthur. 11. What are we going to say to him when he (to come)? 12. I'm in great
trouble. My little boy (to fall) off a ladder and (to hurt) himself. 

1. I have been ringing the bell for the last quarter of an hour. 2. I want to see how much he has changed since I last saw him. 3. Have you had any word from him since he left? 4. Here's my key. I am leaving. 5. I asked them not to make any decision until they get the documents. 6. Wait till you see Mark and talk to him. 7. But what will we do? - I have thought about it a lot. I have been thinking about it all week. But I don't know what to do.8. I mustn't let my eyes get all red and swollen, or Henry will know I have been crying. 9. Look, I  know Francis very well. I have known him since we were very young. 10. My dear, you and I have been friends for all these years but I have never told you what really happened to Arthur. 11. What are we going to say to him when he comes? 12. I'm in great trouble. My little boy has fallen off a ladder and hurt himself.