Ответ:

1.catch caught caught

2.go went gone

3.buy bought bought

4.work worked worked

5.write wrote written

6.open opened opened

2.

1)The woman has just bought the flowers

2)The children have already gone to the museum.

3)The policman hasn't found the robber yet

4)My father has never been to Spain

5)They have known each other since their childhood

3.

1)Misha has swum in the sea

Миша плавал в море

2)Have you met famous people?

Встречал ли ты известных людей?

3)He has never built a house.

Он никогда не строил дом

4)They have just walked in the park

Они только что гуляли в парке