Period 5&6状语从句（一）：时间状语从句

类型 常见引导词 时间状语从句

when(当......的时候/就在这/那时/突然...), while(当...的时候), as(当...时/和...同时/一边...一边.../随着...); before(在..之前); after(在...之后); as soon as.../the moment.../ the minute/ directly/ immediately/hardly ...when.../ no sooner...than... (一...就...); until/till(直到); not...until...(直到...才...); since(自...以来/从...至今); ever since(自...以来); every time, each time(每次); once(一旦); whenever(任何时候/无论何时/每当); be about to do sth ...when...正要/正准备...突然...; the first time首次/第一次 条件状语从句 if; suppose, supposing(that), provided, providing(that), on condition that(如果，假如); unless(= if ...not)除非/如果不...; so/as long as...只要...; in case万一/如果 让步状语从句

although, though(虽然/尽管); even if ,even though即使/虽然/尽管; as, while虽然/尽管; whether...or不论...还是...; no matter who, whoever无论谁; no matter when, whenever无论何时; no matter how, however无论如何/不管怎样; no matter what, whatever无论什么/不管什么 I. 时间状语从句：

时间状语从句的引导词所表示的意思不尽相同，要注意把握不同的时间状语从句的引导词所表示的不同时间关系，以及它在具体句子中对应的对应时态、语态等问题。

1. when、as、while引导的时间状语从句

用when、as、while填空

(1) _______________they heard the news, they were surprised.

(2) l was walking down the street _____________________ I saw some policemen.

(3) _______________the child was playing with his toys, his parents were watching TV.

(4) _______________l was walking down the street, I saw some policemen.

(5) We must strike ______________ the iron is hot.

(6) They shouted slogans ____________________they passed the square.

(7) The students took notes _________________ they listened.

(8) ______________ he grew older, he became more confident.

1.when意思："当......的时候"，"就在这/那时，突然..."