Сделать отрецательные и вопросительные предложения.
1)They have been to london several times.
2)I have met that man before.
3)She has helped me a lot.
4)John has gone to Moscow.
5)Somebody has taken my textbook by mistake.
6)We have already seen the film.
7)The Browns have moved to a new flat.

1)They have not been to london several times

Have they been to london several times?

2)I have not met that man before.

Have I  met that man before?

3)She has not helped me a lot.

Has she helped me a lot?

4)John has not gone to Moscow.

Has John gone to Moscow?

5)Somebody has not taken my textbook by mistake.

Has somebody  taken my textbook by mistake?

6)We have not already seen the film

Have wealready seen the film?

7)The Browns have not moved to a new flat.

Have The Browns moved to a new flat?