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111Unit 20 New FrontiersCommunication Workshop状语从句1时间状语从句引导词：when, while, as, before, after, since, as soon as, till, until, once, whenever, no soonerthan, hardlywhen, the moment, every time, by the time.e.g I was thin when I was a child. I like watching TV while he like reading. As I get older, I get more optimistic. John sings as he works Before they got to the bus stop, the bus had gone. You may stay here until the rain stops. He didnt go to bed until he had finished his work. I have written home but once since I came here. Its two years since we arrived here. As soon as he arrives, Ill tell him. Once you study hard, youll pass the exam. The moment he comes, I recognized him. No sooner had he reached home than it began to rain. Hardly had I entered the room when the phone rang.2地点状语从句引导词：where, wherevere.g. We must camp where we can get water. I will follow you wherever you go.3原因状语从句引导词：because, since, as, now that, seeing that, fore.g. I do it because I want to do it. Since I must die I must do it. As he wasnt ready in time, we went without him. Now that everybody is here, lets begin. He must be ill, for he is absent today.4目的状语从句引导词：so that, so, in order that, in casee.g He studied hard so that he might succeed. Take your raincoat in case it rains. Betty got up early in order that she might catch the train.5结果状语从句引导词：so, so that, so.that,suchthat.e.g The train was so full that I could hardly turn around. She is such a nice girl that we all like her.6条件状语从句引导词：if, unless, so long as, as long as, if onlye.g. If it is fine next Sunday, we shall have a spring outing. If I had enough money, I would buy the car. You will not pass the exam unless you study hard. I will go there so long as he invites me.7让步状语从句though,although,evenif,as,eventhough,whoever,whatever,whichever,whenever, wherever, however, no matter who, whether, while.e.g Although the TV set is very dear, I still bought it. Young as he is ,he can read and write in several foreign languages Child as he is ,he knows a lot. Well make a trip even if the weather is bad. Whether you believe it or not, it is true. No matter what happened, he shouldnt mind.8方式状语从句引导词：as, just asso, as if, as thoughe.g. Do as you like. Just as water is to fish, so air is to man. The child talks as if he were a man.9比较状语从句引导词：asas,not as/soas,the morethe more, thane.g She studies harder than I . He looks younger than he is . He is as old as I. The more you read, the more knowledge you can get.111
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