Нужно переделать слова в скобках в нужное время, а именно Past Perfect, Past Simple, Present Pefect Tense.
1)Peter (to play) football yesterday.
2)They (to epair) the car. It looks new again.
3)When Andrew (to enter) the room, i (to be) surprissed because (to lose) so much.
4)We (to buy) book this morning.