1. why you (to smoke) in the room? 2. she (to read) the whole evining yesterday. 3. what you (to look) at? i (to look) at this monument. 4. he (to write) the article all the week. 5. yesterday he (to lell) us for two hours about his trip to india. 6. i (to learn) to ride a bieycle now. 7. we (to work) at this problem during three months. 8. be quiet, he (to write) a composition now.
2) has been reading
3)are you looking, I'm looking
4)has been writing
5)has been telling
6)I'm learning
7)have been working
8) he's writing