КРИК ДУШИ, ПОМОГИТЕ ПОЖАЛУЙСТА, ДАЮ 50 БАЛЛОВ!!!

Раскрыть скобки, указать время и перевести на русский язык предложения (хотя бы скобки раскрыть, пожалуйста):

1. When I (to come) home yesterday, my sister already (to return) and (to sit) at the fireplace looking through some old photographs.
2. He (to smoke) three cigarettes and (to look) throug all the books on the shelf, when at last he (to hear) his friend’s steps approaching the door.
3. The first person whom Andrew (to see) as he (to enter) was his old nurse. She (to sit) on the sofa. During the last five years she greatly (to change) and now (to look) a very old woman.
4. She is going to read the letter she just (to receive).
5. He just (to approach) the door, When she (to enter).
6.He (to write) the essay for two hours already an e (to say) he soon (to finish) it as he (to think) over the conclusion now.
7. Where is the baby?* The nurse (to put) it to be.
8. He said he (to work) for a long time without achievmg good results.
9. Hardly I (to go) out when I (to remember) that I (to forget) to take my umbrella.
10. It (to be) late. You (not to finish) yet?