1. I know this place. I ... (be) there manytimes.
2. The children are dirty because they ... (play) in garden.
3. I'm very tired but I ... (finish) my work yet.
4. They ... (sit) at the table when I (begin) to tell this story.
5. ... he (go) there last Sunday?-Yes,he ...​

1. I know this place. I have been there many times.

2. The children are dirty because they have been playing in the garden.

3. I'm very tired but I have not finished my work yet.

4. They were sitting at the table when I began to tell this story.

5. Did he go there last Sunday?-Yes, he did.