Underline the unnecessary word: 1. this is alison whose sone he is studying at oxford university. 2. have they been taken the dog for a walk? 3. the cooks are being looking for a new house at the moment. 4. the man for whom that he works is german. 5. the play has started an hour ago. 6. when was the last time you have visited your parents? 7. has angie left for the airport since? 8. i haven't talked to him since he has left school.
2 the dog или убрать been чтобы был active voice, но оставить the dog
3 being
4 that
5 здесь наоборот надо добавить been: The play has beed started... или лучше вообще убрать has, чтобы был Past Simple
6 без have - просто время
7 since - лишнее
8 has - лишнее