状语从句序号知识要点已掌握需巩固1as 引导从句时侧重主从句动作同时或几乎同时进行,从句的动作可以是持续性的,也可以是短暂的
意为”当……时,一边……一边,随着”
Sometimes I watch TV as I am having breakfast.They sang as they danced at the party
As the day went on, the weather got worse
注意:with 也有“随着”的意思,但它是介词,其后不能跟句子
2when 的用法(1)当(2)就在那时(3)在…情况下,既然(4)本该…而却when 常用于以下句型中:①…was/were doing…when…(正在做…这时) ②…was/were about to do…when…(正要做…这时)③…was/were on the point of doing…when…(刚要做…这时) ④…had just done…when…
(刚一…就)⑤Hardly/Scarcely had…done…when…(刚一…就)3while 的用法(1)当,在…时候(主从句试题)(2)趁着(3)而(4)虽然(句首)4as 的用法(1)当,一边…一边(2)随着(3)因为,由于(4)像,按照(4)as…as (5)虽然(倒装结构)(6)定语从句中用法(见定语从句)5as 作“像’”按照、像”平衡句子结构用法:He sings well, as do many of his colleagues
6It’s/ has been +段时间+since…did (动词为短暂性,句子是顺译及延续性时,句子是倒译)7It was +时间点+when…(当……的时候时间是) It was 5 am when we arrived at the village
It was/will b