Put the sentences into negative forms.
Example: He has already come.
                   He hasn't come yet.
1) Ann has just watered the flovers.
2) Mum has already gone to her work.
3) I have alreadu seen this film.
4) We have just taken the bus.
5) Bob has just entered the shop.
6) They have already read this book.
7) The children have made a present for their mother.