1.saw, was driving
2.was making,rang
3.looked,saw
4.came,were playing
5.was taking,began
when从句的时态一般是一般时态,while从句的时态一般是进行时态.主句是过去进行时,从句是一般过去时时用when.主句是一般过去时,从句是过去进行时时用while.
1.saw, was driving
2.was making,rang
3.looked,saw
4.came,were playing
5.was taking,began
when从句的时态一般是一般时态,while从句的时态一般是进行时态.主句是过去进行时,从句是一般过去时时用when.主句是一般过去时,从句是过去进行时时用while.