2014年初三年级英语知识点.doc

2014年初三年级英语知识点 2014年初三年级英语知识点由为您提供的，祝您学习愉快！ 5.catch up赶上;跟上 catch sb.up或catchup with sb.赶上某人;达到与某人相同的境界. catch sb.up或catchup with sb.=reach sbwho is ahead;reachthe same stage as sb. eg.Go on in front.I’llsoon catch you up/catch up . 你先走,我很快就会赶上你. eg.Go on in front.I’llsoon catch you up/catch up . After missing a termthrough illness hehad to work hard tocatch up . 他因病一学期未上课,得努力赶上. After missing a termthrough illness hehad to work hard tocatch up . 6.It does have a fewgood features,though.但是,它的确有几个好特点. 该句中,does是用来强调,表示 “真的;的确”. 除了does外,我们还可以根据时态和人称的需要,用do和did来表示强调.又如: He does study hard. We did come hereyesterday. They do give me alot of help. 6.It does have a fewgood features,though. 在口语中,though可以用作副词,相当于however,放用在句末: eg.I expect you areright—I’ll ask him,though.我认为你说得对—我去问问他们也好. She promised tophone.I heardnothing,though.他答应要打点话来.可我没听到回信儿. 二.重点语法 疑问词+不定式动词”结构英语有个很有用的结构,就是: 疑问词+不定式动词。 疑问词是疑问代词“who,whom,what,which,whose”和疑问副词“when,where,how,why”。 此外,此外,连接词“whether”也适用。 例句:I don’t know what totry next.I’m not sure what toexpect. “疑问词+不定式动词”结构有何功用呢?其主要功用有下列五种: 1.当主语,如: When to hold themeeting has not yetbeen decided.Where to live is aproblem. 2.当宾语,如: We must know what tosay at a meeting. He could not tellwhom to trust. Do you know how toplay bridge? 3.当补足语,如: The problem is whereto find thefinancial aid.The question is whoto elect. 4.当名词同位语,如: Tom had no ideawhich book to readfirst. Do you have a roughimpression how to doit? 5.当宾语补足语,如: Jim is not surewhose to choose. Mary and John arenot certain whetherto get married ornot. 适用于“疑问词+不定式动词”的动词包括: “know,see,decide,tell,ask,consider,discover,explain,forget,guess,hear, imagine,inquire,learn,remember,think,wonder,understand”等。 值得特别注意的是:当这结构当宾语时,它的作用等于名词从句,例如: I could not decidewhich dictonary tobuy. =I could notdecide whichdiction