AdverbialClauses教材教学稿件.pptVIP

Adverbial Clauses ; E.g. They had to move because their building was to be pulled down. 　As Mary was the eldest, she looked after the others.　Since they live near the sea, they often go sailing ;比较：so和 such　 such 是形容词，修饰名词或名词词组， so 是副词，只能修饰形容词或副词。 so 还可与表示数量的形容词many, few, much, little连用，形成固定搭配。  ; so foolish　　　　　　　such a fool　　　　　　　　so nice a flower　　　　such a nice flower　 　　　so many / few flowers　 such nice flowers　　　　　so much / little money. such rapid progress　　　　so many people　　　　　such a lot of people　 　（ so many 已成固定搭配，a lot of 虽相当于 many，但 a lot of 为名词性的，只能用such搭配。）;so…that与such…that之间的转换既为 so与such之间的转换。　 The boy is so young that he cant go to school.　 He is such a young boy that he cant go to school;Clauses of Purpose(目的从句);　so that 既可引导结果从句也可引导目的从句，但结果从句表示事实，通常不含情态动词；目的从句表示希望或想要实现的事实，通常含有情态动词，如： He got up early so that he caught the train. （结果）He got up early so that he could (might) catch the train.（目的） ;　Lest 和 for fear (that) 含有否定意义，并且从句中动词须用 “动词原形”或 “should + V.” 的虚拟语气，如： 1.　He ran away lest he (should) be caught.　　(= He ran away in order that he wouldnt be caught);2.　I checked all the results time and again for fear that there should be any mistakes.　(= I checked all the results time and again so that there wouldnt be any mistakes.) ;The moment / minute / instant the boy saw his mother, he stopped crying.　Every / Each time Mother came to see me, she would bring me something to eat.　He got ill the day he came back. ;d. 一些意为“一…就”的关连从属连词，如 no sooner … than, hardly / scarcely / barely … when 等，no sooner, hardly，barely 置于句首时要用倒装结构，如：　　I had no sooner reached home than the telephone rang.　　= No sooner had I reached home than the telephone rang.;e.比较while, when, as?1）as, when 引导短暂性动作的动词。　 Just as / Just when / When I stopped my car, a man came up to me.2）当从句的动作发生于主句动作之前，只能用when 引导这个从句，不可用as 或 while。　;When you have finished your work, you may have a rest. 3）从句表示随时间推移连词能用as，不用when 或while。As the day went on, the weather got worse.