不定式的几种形式解读优秀PPT.ppt

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1、Grammar:InfinitiveGrammar:Infinitive不定式的几种形式不定式的几种形式主动被动一般进行完成完成进行to doto be doingto have doneto have been doing to be doneto have been done必需驾驭的几点必需驾驭的几点:1.只能跟不定式做宾语的动词只能跟不定式做宾语的动词:,afford,attempt,expect,hope,manage,agree,pretend,wish,offer,fail,plan,decide,promise,intend,refuse,seem,want,happen 他们

2、设法放火烧了那座宾馆他们设法放火烧了那座宾馆.他们未能刚好签署那项协议他们未能刚好签署那项协议.They managed to set fire to the hotel.They failed to sign the agreement.2.要求用不定式做宾补的动词要求用不定式做宾补的动词:ask,tell,invite,force,get,allow,wish,want,expect,advise,encourage,persuade,permit,order,warn,cause等等.另外另外,be said/report/expected to do当沙尘暴攻击这座城市时当沙尘暴攻击这

3、座城市时,专家建议我们专家建议我们不要出门不要出门.When the sandstorm struck the city,experts advised us not to go out.据说他们那天遭遇了飓风据说他们那天遭遇了飓风.They are said to have been caught in a hurricane that day.据报道火灾发生时他们正在丈量土地据报道火灾发生时他们正在丈量土地.They are reported to be measuring fields when the fire occurred.他们被迫把家具搬出房屋他们被迫把家具搬出房屋.They

4、were forced to move the furniture out.留意留意:下列两种状况中的宾补用动词原形下列两种状况中的宾补用动词原形:1.使役动词使役动词let,make,have后后.医生要我在床上躺一个星期医生要我在床上躺一个星期.(被动被动)2.感官动词感官动词notice,observe,watch,see,look at,find,hear,listen to,feel等后等后.你看火山喷发了么你看火山喷发了么?The doctor made me lie in bed for =I was made to lie in Did you see the volcano

5、erupt /erupting()?全过程全过程正在进行正在进行3.几个区分几个区分:stop,go on,remember,forget,try,mean,regret我忘了把那些证据销毁我忘了把那些证据销毁.别发牢骚了别发牢骚了.我们没有足够的时间了我们没有足够的时间了.我很懊悔跟他交换了戒指我很懊悔跟他交换了戒指.这就意味着他们不能接受更好的教化这就意味着他们不能接受更好的教化.Ive forgotten to ruin the evidence.Stop complaining.We havent enough time.I regret exchanging rings with h

6、im.This means their not receiving better education.4.need,want,require doing =to be done这些死鸡须要掩埋这些死鸡须要掩埋.什么引起的这些自然灾难什么引起的这些自然灾难?这个问题须要这个问题须要 思索思索.These dead chicken need burying.=What has caused the natural disasters?This problem wants considering.=need to be buried.wants to be ed.5.but,except,besid

7、es,other than作作“除了除了以外以外”解时解时,若前面部分有若前面部分有行为行为动词动词do(非助动词非助动词)的的各种形式如各种形式如do,did,done等时等时,but 之后接之后接do sth.反之反之,后后接接to do sth.He can do nothing but wait.He didnt want anything but to play in the park.E.g.:She could do nothing but_(cry).What do you like to do besides _(swim)?I have no choice but_(wai

8、t).There was nothing for me to do other than _(wait)until the meeting was over.I had nothing to do but _(watch)TV.cryswimto waitwaitwatch2.当句子的谓语动词是当句子的谓语动词是cant,cant help,cant choose 等结构时等结构时,but,except后后的不定式的不定式to 也省略也省略,常译为常译为不得不不得不。E.g.:We cant but admire his bravery.We cant choose but wait。She

9、is such a lovely girl that I cant help but love her.1.Sandy could do nothing but _ to his teacher that he was wrong.A.admit B.admitted C.admitting D.to admit Lets try some exercises2.-How did you spend your weekend,Jone?-I didnt find anything interesting for me _ some washing instead of my mother.A.but did B.but do C.but doing D.but to do 3.The students did nothing except _ all day long.A.played B.playing C.play D.to play