系统讲解when的用法，配有练习和详解答案

when的运用与高考
1.When 可以用作从属连词，引导时间状语从句。意思是“当....时候”从句的谓语动作可以是延续的，也可是非延续的。从句多用一般现在时、一般过去时、现在完成时。
1)---- Can I join your club，dad？
 ---- You can when you _____ a bit older.
   A/  get   b/  will get    c/  are getting    d/  will have got
2) Tom ___ into the house when no one _____
   a/  slipped , was looking          b/  had slipped,  looked
   c/  slipped,  had looked          d/  was slipping , looked
3) He said when he grew up, he would become a glorious teacher.
4) when he has finished his homework, he will go there with us .
2.When 可以引导时间状语从句，“一。。。。就”