1) Look! Somebody (has broken) that window.
2) I (have been reading) the book you gave me but I (have not finished) it yet.
3) "Sorry I am late." That is all right. I (have not been waiting) long.
4) Hello! I (have been cleaning) the windows. So far I (have cleaned ) five of them and there are two more to do.
5) There is a strange smell here. (Have you been cooking) something?
6) My brother is an actor. He (has appeared) in several films.
7) Sorry I’m late.- That’s all right. I (haven’t been waiting) long.
8) Is it still raining? No, it (has stopped).
9) (I lost )my phone ( Have you seen)
10) I (have been reading) the book you lent me but I (haven't finished )it yet.
11) I (have read) the book you lent me, so you can have it back now.
12) This is a very old book. (I have had )it since I was child
:)
