Заполните пропуски словами: can, can‟t, could, couldn‟t, to be able to:
1. I‟m afraid I _______ help you at the moment.
2. I don‟t think I‟ll _______ come to the meeting.
3. The negotiations broke down because we _______ agree on the price.
4. I _______ see you were having problems, so I didn‟t interrupt.
5. If you _______ make a firm order today, we should _______ ship by Friday.
6. I find Portuguese very difficult. I _______ understand it, but I _______ speak it.
7. Sorry, I _______ see you next week, but I might _______ make the week after.
8. A: Will you _______ go to the training seminar?
B: No, I _______ – I‟m very busy.
9. I‟m sorry I _______ come to your talk yesterday. I had to sort out a problem.