1)is The post come(come)?–Yes,it...is......
2) I (not finish) have not finished my letter yet
3) He has just gone (go) out
4) The phone( stop) is stopped ringing
5) Someone (take) take my bicycle
6) I have just washed (wash) that floor
7) The cat ( steal) steals the fish
8) I (live) have lived here for ten years
9) Where are you( be)?– I (be) want to be the dentist
10) she (finish) is finishing the bird house today
11) We (not/translate) have not translated the whole text yet
12) ( you/ever/be)have you ever been to Rome?
13) Where (you/be)are you lately?
14) (he/lock) he locks the door
15) I (not/hear )haven't heard from you for ages
16) Tom (already/graduate) has already graduated from university
17) ( the children/ prepare for)do the children prepare for the concert?
18) What ( Kate /eat) is kate eating for breakfast today?
19) They (watch) watch an interesting program this week
20) have You heard ( hear) from her lately? –No,I..haven't
21) do You (explain) explain the practice? – Yes,I...do
22)does Charles (pass) pass his exam?–Yes,he.does..
22)does Someone (wind)wind the clock ?–Yes,he..does