1) At the moment, she is sleeping
2) It has never been sport.mashiny
3) her car broke down yesterday when she went to work.
4) Where is your brother works?
5) when it came, we cleaned
6) we have come to work yesterday at 10 am
7) he does not remember where he had left a parcel
8) he has watched all the documents about
9) when you have had a day off?
10) last from 6 to 8 they had a piano lesson
11) when they hand over the materials?
12) every 3 hours it makes measurements
13) yesterday explained to us safety
14) He told them everything he knew about the measuring instruments
15) by 5 pm, they did all the work
16) by the time the rain ended, we gathered
17) he promised to come back to 5
18) She just called from London
19) Have you ever been to Niagara Falls?