状语从句复习.pptx

状语从句 复习专题;1) As time went on, Einstein’s theory proved to be correct. 2) I went to the classroom early so that I may get a good seat. 3) If necessary, I can come at once. 4) Much as I admire his courage, I don’t think he acted wisely. 5) She got the job because she was the best candidate. 6) Where there is a will, there is a way. 7) She is always as busy as she is now. 8) When at Rome, do as the Romans do. 9) He spoke so aloud that everyone in the room heard.;状语从句的分类;一、时间状语从句;When I lived there, I used to go to the seaside on Sundays. Pay attention to your eyes while you are reading. The children sang songs as they went home. As he grew older, he became less active. ;(2) when引导时间状语从句，意为“正在这时”，表示某件事正发生或刚刚发生时，突然发生另一动作：;1. 汤姆正要关窗户，这时他的注意力被一只鸟吸引住了。 Tom _________________________ when his attention was caught by a bird. 2. One Friday, we were packing to leave for a weekend away ____ my daughter heard cries for help.;2. 表示“一……就……”含义的词、短语引导的时间状语从句;他刚完成演讲学生们就开始欢呼起来。 He had no sooner finished his speech than the students ________ (start) cheering.;3.其他常见名词短语引导的时间状语从句;4. 解释句中before的意思 1. Do it before you change your mind. 2. Someone knocked at the door but he left before I could answer it. 3. We’d like to have a few words with you before you go. 4. He would die before he gave in. 5. The girl had hardly rung the bell before the door was opened suddenly. 6. It was 5 years before he returned from abroad. 7. It wasn’t long before he realized he was wrong.;5. since引导的时间状语从句;It has been years since I enjoyed myself so much as today. It is 3 years since he lived here.;6. till, until 和not… until的用法; The baby didn’t go to bed until his mother returned.（改为倒装句） →_________________________________ ______________;二、原因状语从句;【辩析】because, since, as, for;for连接的分句一般放在句末，其前用逗号，它所叙述的理由是对前面叙述的事实或看法的补充说明。;（2）除了状语从句外，一些介词短语同样可以表示原因，此类短语有： because of, thanks to, due to, owing to, on account of, as a result/consequence of, in view of等。;三、地点状语从句;【特别注意】where既可引导定语从句，也可引导状语从句。引导定语从句时