用一般过去时和过去进行时完成句子

1.She( )(see)the police car while
she( )(drive)to work.
2.I( )(make)the dinner when the telephone( )(ring).
3.She( )(look)out of the window when she( )(see)the fire.
4.The teacher( )(come)into the room while we( )(play)a game.
5.While I( )(take)my dog for a walk,it( )(begin)to rain.

1.She( saw )the police car while
she( was driving )to work.
2.I( was making )the dinner when the telephone( rang ).
3.She( was looking )out of the window when she( saw )the fire.
4.The teacher( came )into the room while we( were playing )a game.
5.While I( was taking )my dog for a walk,it( began )to rain.

1.saw was driving 2.made was ringing 3.looked was seeing 4.came playing 5.took begining

一般过去时：be+过去式 例：i visited my grandma yesterday 现在完成时: have\has done 例：he has finished his project 过去进行时:was\were doing 例：she was playing baseball while i was studying