1. 1 was blown
2 will be built
3 it has never been worn
4 are sold
3) 1 isn't it
2 don't they
3 isn't she
4 don't you
5 doesn't she
6 does it
7 are we
8 don't you
4) 1 Has broken
2 Has been taking
3 Have the children waken up yet?
4 The builders have been working hard, but they haven't finished the house yet
5) 1 for
2 since
3 since
4 for
6) 1 I went to America last summer. Have you ever been to America?
2 My brother saw a bear in the forest but I have never seen one