Поставить в нужную форму слова, очень нужно без ошибок !!! Заранее спасибо!!
Варианты ответов:
1. can't., couldn't, mustn't
2. are building, have been building, had built
3. who, whose, which
4. will get, get, will have got
5. not as, more, -
6. such an, such, so
7. mustn't, won't have to, won't be able to
8. has been invented, is invented, has invented

1. couldn't

2. have been building

3. whose

4. get

5. not as

6. such an,

7. won't have to

8. is invented