Ответ:

1 has been

2 has been

3 have been

4 has been

5 has been

6 has been

7 has been

8 has been

9 has been

10 have been living

1 The english training centre has grown since last year.

2 They had worked since yesterday.

3 Our grandparents have been travelling for 14 days.

4 The fire has destroyed the forest since 3 p.m.

5 Jane has been working as a volunteer for a long time.