Сзаранее . make the sentences negative and interrogative: 1) i have begun the work. 2) i have taken the book from the library. 3) i have done the work which our teacher gave us. 4)they have attended the meeting. 5) i have invited them to our place. 6)we have taken part in the experiment. 7)we have written the letter to our parents. 8)he has learn french. 9)she has been to london this year. 10)she has gone for a walk. 11) i have taken him around the moscow.

1.i haven't begun the work

Have i begun the work?

2.i haven't taken the book from the library.

Have I taken the book from the library?

3.i haven't done the work which teacher gave us

Have i done the wotk which our teacher gave us?

4.they haven't attended the meeting.

Have they attended the meeting?

5.i haven't invited them to our place

Have i invited them to our place?

6.we haven't taken part in the experiment.

Have we taken part in the experiment?

7.we haven't written the letter to our parents

Have we written the letter to our parents?

8.he hasn't learnt French

Has he learn French?

9.she hasn't been to London this year.

Has she been to Londob this year?

10.she hasn't gone for a walk.

Has she gane for a walk?

11.i haven't taken him around the Moscow.

Have i taken him around the Moscow?