Unit 1 目的状语从句.docVIP

九下Unit 1 结果状语从句和目的状语从句 状语从句指句子用作状语时，起副词作用的句子。它可以修饰谓语、非谓语动词、定语、状语或整个句子。根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。状语从句一般由连词(从属连词)引导，也可以由词组引起。从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。 结果状语从句 引导词：so... that... such... that... 结构：so+形容词或副词+that 　　such+a(an)+adj.+可数名词单数+that such+ adj. +可数名词复数+that such+adj.+不可数名词+that 　 The weather is so nice that I’d like to take a walk. The scientist’s report was so instructive that we were all very excited. 　　He always studied so hard that he made great progress. It’s such nice weather that all of us want to go to the park. 难点: 1.such+a(an)+adj.+可数名词单数+that=so+adj.+a（an）+可数名词复数+that Mike is such an honest man that we all believe him. =Mike is so honest a man that we all believe him. This is such an important meeting that you should attend it. = 当名词前有many, much, few, little 等表示数量多少的限定词时，要用so,而不能用such. I’ve had so many falls that I’m black and blue all over. 　　There were so many people in the street watching the fire that firefighters could not get close to the building. 目的状语从句 引导词：so that , in order that 　　so that 因此，以至, 以便 in order that为了，以便 　　I’ll run slowly so that/in order that you can catch up with me. (目的) 　　 　　I opened the window so that/in order that fresh air might come in. (目的) We shall let you know the details soon in order that you can/may make your arrangements. enough to句型的用法 基本结构“adj./adv.+enough to+动词原形”，其意为“足够地…可以…”： He is old enough to take care of himself. Will you be kind enough to shut the door? She is old enough to travel by herself. Is the river deep enough to swim in? 【注】若enough前出现否定词，则不仅否定了enough，而且也否定其后的不定式： He was not strong enough to do the work. 他不够强壮，不能做这工作。 He is not strong enough to lift the box. 他力气不够大提不起这个箱子。 另外，该句型有时可与so [such]…that结构转换： He is rich enough to buy a plane. →He is so rich that he can buy a plane. 有时该句型也可与too…to句型转换： He is too young to go to school. 他太小，还不能上学。 →He is not old enough to go to school. 他还不够大，还不能上学。 同步练习　　一、选择题：　　1. ________she was a woman, _____she