不定式的几种形式.pptVIP

* Grammar: Infinitive 不定式的几种形式 一般 进行 完成进行 完成 被动 主动 to do to be doing to have done to have been doing to be done to have been done 必须掌握的几点: 1.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 他们设法放火烧了那座宾馆. 他们未能及时签署那项协议. 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:ask, tell, invite, force, get, allow, wish, want, expect, advise,encourage,persuade, permit, order, warn, cause等. 另外, be said/ report/ expected to do 当沙尘暴袭击这座城市时,专家建议我们 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. 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. They are reported to be measuring fields when the fire occurred. 他们被迫把家具搬出房屋. They were forced to move the furniture out. 注意:下列两种情况中的宾补用动词原形: 1.使役动词let, make, have后. 医生要我在床上躺一个星期. (被动) 2.感官动词notice,observe,watch,see, look at,find,hear,listen to,feel等后. 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 erupt / erupting( )? 全过程 正在进行 3.几个区别:stop,go on,remember, forget,try, mean,regret 我忘了把那些证据销毁. 别发牢骚了.我们没有足够的时间了. 我很后悔跟他交换了戒指. 这就意味着他们不能接受更好的教育. I’ve forgotten to ruin the evidence. Stop complaining.We haven’t enough time. I regret exchanging rings with him. This means their not receiving better education. 4. need , want, require doing =to be done 这些死鸡需要掩埋. 什么引起的这些自然灾害?这个问题需要 思考. 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, besides, other than作 “除了…以外” 解时, 若前面部分有行为动词do(非助动词) 的各种形式如do, did, done等时, but 之后接do sth. 反之, 后接to do sth. He can do nothing but wait. He didn’t want anything but to play in the park. E.g.: She could do nothing but_____(cry). What do you l