Упр.1
1.has written.2) have drawn;3) has blown out;4) has drunk;5) has fallen;6) has given;7) have made;8) have eaten;9) has just gone;10) have just told;11) has never been;12) have just gone;13) has sold; 14) have read;15) has cooked
Упр.2
1.Jack hasn't....;Has Jack...?
2.Father hasn't cleaned the car yet.Has father cleaned the car yet?
3.Mr Snowdon hasn't... .Has Mr Snowdon... ?
4.Granny hasn't... . Has granny... ?
И так далее по образцу, already заменяешь на yet и ставишь в конце, как в 2ом примере