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1、一、 数词的用法1）倍数表示法 a. 主语+谓语+倍数（或分数）+ as + adj. + as我有你三倍那么多。b. 主语+谓语+倍数（分数）+ the size (amount，length) of地球是月球的49倍。c. 主语+谓语+倍数（分数）+ 形容词（副词）比较级+ than 今年比去年粮食产量增加8%。d. 还可以用by+倍数，表示增加多少倍 今年粮食产量增加了4倍。二、 和more有关的词组1) the more the more越就越 The harder you work，the greater progress youll make.2) more B than A与其说
2、A不如说B less A than B He is more lazy than slow at his work.= He is less slow than lazy at his work.3) no more than 与一样，不比多The officials could see no more than the Emperor.no less than与一样He is no less diligent than you.4) more than不只是，非常She is more than kind to us all.典型例题1）The weather in China is dif
3、ferent from_.A. in America B. one in America C. America D. that in America 答案：D. 本题意为中国的天气比美国热。比较的是天气而不是国家，C不能选。A没有名词，后句成分不全，排除。B和D中，B中的one常用来代替可数名词，而that可车以代替不可数或抽象名词，所以选D。2）After the new technique was introduced，the factory produced _ tractors in 1988 as the year before. A. as twice manyB. as many
4、 twiceC. twice as manyD. twice many as 答案C. 此句意为这个厂1988能生产的拖拉机是往年的两倍。 表示倍数用倍数+ as + 形容词原形+ as +比较对象的句型。所以此句答案为C。This ruler is three times as long as that one.三3非谓语动词中的有关句型 （1）动名词作主语的句型 1）Doing.+ v. Reading is an art.阅读是门艺术。Seeing is believing.眼见为实。 2) It is + no use, no good (fun, a great pleasure,
5、a waste of time, a bore.)等名词+doing sth. It is no use crying.哭没有用。It is no good objecting.反对也没有用。 It is a great fun playing football打篮球很有趣。 It is a waste of time trying to explain设法解释是浪费时间。 3)It is + useless (nice, good，interesting, expensive等形容词)+ doing sthIt is useless speaking.光说没用。 It is nice see
6、ing you again真高兴又遇到了你。 It is good Playing chess after supper晚饭后弈棋挺好。 It is expensive running this car开这种小车是浪费。 4)There is no + doing.(there is no 表“不可能”) There is no telling what he is going to do说出他要干什么是不可能的。 There is no saying what may happen.说出将要发生什么是不可能的。 5)There is no use (good/point/sense/harm
7、)+doing sth.做某事没用(不好/意义/重要性) There is no use crying over spilt milk牛奶洒了，哭也无用。 6)have difficulty /trouble/problem + (in)+doing have作有解时，后接情感名词(in可省略)，再接动名词。这类词还有trouble, fun, a hard time, a good time. 例如：We had difficulty (in) carrying out the plan我们执行计划有困难。 7)feel like + 名词 感觉像动名词 “ 想要” =would like
8、to +原形动词 I feel like a newborn baby我感觉像一个新生的婴儿。 Do you feel like going to a movie?你想看电影吗? I dont feel like studying tonight今晚我不想读书。 8) spend/waste time （in）doing sth. They spent a lot time (in) making preparations他们花了许多时间作准备。9)在require后只能用动名词，不能用不定式，尽管表示被动的意思也要用动名词的主动形式。 This problem requires studyi
9、ng with great care这个问题需要仔细研究。 10）cannot help doing sth.忍不住（做什么） I cannot help laughing, once I see john in that big trouser. 四、有关分词句型 1)在表示感觉和心里状态的动词see，hear，feel，smell，listen(to)，notice，observe，watch这类表示感觉的动词之后常跟“宾语+现在分词”的复合结构，这种动词与分词之间的宾语可以是普通名词或专有名词(人各等)，也可以是代词宾格(him，us等)。例如： She smelt something
10、burning and saw smoke rising她闻到有东西在燃烧并看到有烟升起来了。 I watched them rehearsing the play我看他们排演戏。 I could feel the wind blowing on my face我能感觉到风在我脸上吹过。 2)表示“致使”等意义的动词，如：catch，find，leave，give，have，get，set后也可跟上述(1)的结构，有时也可跟过去分词结构。例如： I caught them stealing my apples我抓住他们偷我的苹果。 If she catches me reading her d
11、iary，shell be furious.如果她抓住我偷看她的日记，她会愤怒的。 We found him waiting to receive us我们发现他正等着接待我们。 3)go +现在分词表示“从事”之意，这时现在分词做主语补语。Go之后所接现在分词均表示短暂而又愉快的户外活动。如：jogging慢跑，fishing钓鱼，dancing跳舞，skating溜冰，bowling打保龄球，shopping 购物，sightseeing游览，camping露营。 Ill go camping tomorrow我明天去露营。 Ill go shopping我去商店。 Would you l
12、ike to go skating with me?你想和我去溜冰吗? 4)be busy + v-ing(现在分词)忙着做 I am busy writing my thesis我正忙着写论文。 His assistant is busy(in) correcting papers他的助教忙于批阅考卷。 或者be busy with + n.忙着做某事。 He is busy with his work他忙着工作。 5)What do you say to + ing分词?(怎么样?) What do you say to joining us for dinner?和我们一起进餐，你看怎么
13、样? （3）有关动词不定式句型 下面这些词组是不定式的习惯用法，只能用不定式形式。 can not help but do, can not but do, cannot choose but do, can do nothing but do, have no choice/alternative to do When I consider how talented he is as a painter, I cannot help but believe that the public will appreciate his gift. (4)there be的非谓语形式 there be
14、非谓语形式可在句中作主语、宾语、状语和定语。(其中作宾语和状语在1991年和1994年测试过，定语见1996年题10。) The students expected there to be more reviewing classes before the final exams(作宾语如1991年题30) 1)作动词宾语时，通常用there to be结构，而不用there being。能这样用的及物动词为：expect，like，mean，intend，want，prefer，hate等，如： We dont want there to be any comrades lagging behind，我们不希望有任何同志掉队。 They hate there to be long queues everywhere.他们不愿
