17. Complete the sentences. 1. Liz is tired all the time. She shouldn't go to bed so late. If _Liz didn't go to bed so

2. It\'s rather late. I don\'t think Ann will come to see us now. I\'d be surprised if Ann CAME TO SEE US NOW.

3. I\'m sorry I disturbed you. I didn\'t know you were busy. If I\'d known you were busy, I WOULDN\'T HAVE DISTURBED YOU.

4. The dog attacked you, but only because you provoked it. If YOU HAVEN\'T PROVOKED THE DOG, IT WOULDN\'T HAVE ATTACKED YOU.

5. I don\'t want them to be upset, so I\'ve decided not to tell them what happened. They WOULD HAVE BEEN UPSET if I HAD TOLD THEM WHAT HAD HAPPENED.

6. Unfortunately, I didn\'t have an umbrella and so I got very wet in the rain. I WOULDN\'T HAVE GOT WET IN THE RAIN IF I HAD HAD AN UMBRELLA.

7. Martin failed his driving test last week. He was very nervous and that\'s why he failed. If he HASN\'T BEEN SO NERVOUS, HE WOULDN\'T HAVE FAILED.