专题06 时间、原因、让步状语从句-2019-2020学年下学期八年级英语期末复习（上海牛津版）

时间、原因、让步状语从句 时间状语从句： 　　通常用下列从属连词引导： 　　when, while, as, before, after, since（自从…以来）, till (until), as soon as(刚一…马上就…), once(一旦), whenever等。 　　如： 　　①I’ll give the note to him as soon as I see him. 　　我一看见他就马上把这条子给他。 　　②The first bell was already ringing before she got to the school gate. 　　她走到学校大门之前，头遍铃已经响了。 　　③I’ll go and see her after I get the new dress. 　　我买到新衣服之后要去看她。 　　④I won’t go home until I have finished my homework. 　　我直到做完作业再回家。 　　⑤As you study a globe, you may notice that most of the large land areas are connected. 　　当你研究地球仪时，你会注意到多数大块陆地是相连的。 　　⑥Once he understood, he did what he was told to do. 　　一旦他明白了，他就按照吩咐的去做。 　　⑦When clothes are washed, they don’t get dry very easily. 　　洗了的衣服不容易干。 　　⑧He has read a lot since he was a child. 　　他从小时候起已经读了许多书。 　　⑨I’ll discuss the problem with you whenever you are free. 　　无论你什么时间有空，我就同你讨论这个问题。 ◆until 和not until: 　　当主句中的动词是延续性动词时，常用：…until…, 表示主句的动作延续到从句表示的动作发生或完成为止。 　　如： 　　①Jim stayed up until his mother came back last night. 　　昨晚吉姆一直熬夜到他母亲