Write negative sentences . Use the Present Prefect .
1 . (meet) They ..........him.
2 (buy) She .............a new lamp
3 (watch) He ........... it
4 (read ). We ........the book
5 (build) they ...,...,.the house
6 (help). It ..........me
7 (see). You ......,......him
8 (ask). She .............about it
9 ( be). We ...........,to Moscow
10 ( wash). He ...............his cup

(meet) They have not met him. 2 (buy) She has not bought a new lamp3 (watch) He has not watched it 4 (read ). We have not read the book 5 (build) they have not built.the house 6 (help). It has not helped me 7 (see). You have not seen him 8 (ask). She has not asked.about it9 ( be). We have not been,to Moscow 10 ( wash). He has not washed his cup