1、2014-2015学年高中英语同步（宏志）练习（3）及答案：Module 2 No Drugs（外研版必修2）Module 2No DrugsSection Grammar语法指南.Infinitive of purpose(不定式表目的)1不定式或不定式短语作目的状语。(1)不定式或不定式短语作目的状语时，主要用来表示某一动作或状态的目的。为了使目的的意义更加清楚或表示强调意义时，还可以用短语in order to或so as to来表达。Ive written it down in order not to forget.我怕忘记，把它记下来了。(2)不定式或不定式短语表示的是主语的目的，
2、因此，其逻辑主语通常是句子的主语。试比较下面两句话：To draw maps properly，a special pen is needed.(误)To draw maps properly，you need a special pen.(正)要正确画出地图，你需要一支特殊的笔。由in order to引导的目的状语既可以置于句中，也可以置于句首，而由so as to引导的目的状语只能置于句中，不能置于句首。试比较：So as to get there in time，they started early.(误)They started early in order to get there
3、 in time.(正)In order to get there in time，they started early.(正)They started early so as to get there in time.(正)他们出发得很早，以便及时赶到那里。2不定式的复合结构作目的状语。当不定式或不定式短语有自己的执行者时，要用不定式的复合结构(即在不定式或不定式短语之前加for名词或代词宾格)作状语。He opened the door for the children to come in.为了让这些孩子们进来，他打开了门。3目的状语从句与不定式的转换。英语中的目的状语从句，可以转换为不
4、定式或不定式短语作状语，从而简化句子结构。可分为两种情况：(1)当目的状语从句中的主语与主句中的主语相同时，可以直接简化为不定式或不定式短语作状语。Well start early in order that we can arrive on time.Well start early in order to/so as to arrive on time.我们出发得很早以便能准点到达。(2)当目的状语从句中的主语与主句中的主语不相同时，要用动词不定式的复合结构作状语。I came early for you to read my report before the meeting.我早来为的
5、是你能够在会议之前读到我的报告。4only to do有两层含义：一是“只是为了”，表目的；二是表示“出人意料”的结果。I come here only to say goodbye to you.(目的)我来这里，仅仅是为了向你道别。We hurried to the classroom only to find none there.(结果)我们匆忙赶到教室，却发现没有一个人在那里。.Adverbial clause of result(结果状语从句)1在句子中作结果状语的从句称为结果状语从句。结果状语从句一般放在句子的末尾，通常由so，so.that.，such.that.引导。本模块主
6、要学习由so.that.和such.that.引导的结果状语从句。2so.that.引导结果状语从句，意为“如此以至于”。so后跟形容词、副词、表数量的词many/few/much/little、adj.a/an可数名词单数等形式。He was so angry that he left the room without a word.他如此气愤，结果一句话也没说就离开了房间。She is so good a teacher that all of us love her.她是一位好老师，我们都喜欢她。Ive had so many falls that Im black and blue a
7、ll over.我摔了好多次跤，浑身青一块紫一块的。He runs so fast that no one could catch up with him.他跑得那么快，没有人能赶上他。3such.that.意为“如此以至于”，such 后跟a/anadj.可数名词单数，adj.可数名词复数/不可数名词等形式。It was such a bad accident that several people died in it.如此严重的事故导致好几人丧生。These are such interesting books that we all want to read them.这些书那么有趣，
8、我们都想读一读。He made such rapid progress that before long he began to write articles in English.他进步很快，不久就开始用英语写文章了。4请注意以下结构的互换：sucha/anadj. 可数名词单数soadj.a/an可数名词单数。He was such a dangerous drug dealer that people had to ask the police for help.He was so dangerous a drug dealer that people had to ask the po
9、lice for help.他是如此危险的毒贩，人们只得向警方求助。5为强调so.that.结构中的形容词或副词，可以把so放在句首，主句用部分倒装结构。So excited was he that he couldnt fall asleep the whole night.他兴奋地整夜无法入眠。So loudly did he speak that everyone heard him clearly.他说话声音很高，每个人都听得清楚。6so.that.和such.that.也可用在目的状语从句中。在目的状语从句中常使用情态动词，而在结果状语从句中常使用实义动词。但that从句是目的状语从句还是结果状语从句，须从句子意义上加以判断。He got up so late that he didnt catch the first bus to work.他起得太晚，没有赶上第一班车去上班。(that从句为结果状语从句)He got up so early that he could catch the first bus to work.他起得很早，以便能赶上第一班车去上班。(that从句为目的状语从句)提示：用最精练的语言把你当堂掌握的核心知识的精华部分和基本技能的要领部分写下来并进行识记。