. Birds (build)______________ their nests in the Summer and (fly) ________ to the Sound in the Winter. 

44. While I (write)___________ a letter, the children (play)____________ outside yesterday. 

 When John and I (get)_________ to the theatre, the movie (just/start) ___________. 

41. Our teacher (tell) _______ us yesterday that he (visit)___________ England in 1970 

42. Yesterday I (see) ___________ an accident while I (wait)_____________ you there. 

My grandfather (die) ___________ after she ( be) _____________ ill a long time. How long ___________ you (know)__________ each other? For five years.