Write negative sentences . use the present prefect . 1 . (meet) they . 2 (buy) she new lamp 3 (watch) he it 4 (read ). we book 5 (build) they house 6 (help). it 7 (see). you 8 (ask). she it 9 ( be). we moscow 10 ( wash). he cup

(meet) They have not met him. 
2 (buy) She has not bought a new lamp
3 (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 it
9 ( be). We have not been,to Moscow 
10 ( wash). He has not washed his cup