Выполним задание:
- She has cleaned the house. She's cleaned the house.
- We have not worked hard. We've worked hard.
- I have visited them several times. I've visited them several times.
- She has not finished yet. She's finished yet.
- They have talked to him. They've talked to him.
Ответ: have, 've, have, 've, has, 's, have, 've