he was writing. .
she forgot. ...
they left the village. ...
Ann has been living in Bucharest. ...
they haven't been playing. ....
John started to learn. ...
father hasn't come. ..
I didn't see her.
when did you receive the letter. .?
they are becoming. ...
much progress has been made....
she has never taught grammar. ...
years ago he has been working here but now he is working. ...
this novelist wrote. ...he has written them....
the play began half an hour....so we were late. ..
