易错动词用法归纳3 讲义-高三英语二轮复习.docx
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1、高中英语语法知识:易错动词用法归纳3助动词have的用法助动词have以及它的变体has, had等的主要用法如下:1.have +过去分词,构成完成时态。如:He has left for Japan.他已去了日本。Weve just done the washing-up.我们刚洗完碗碟。Poor Jim has just had an accident.可怜的吉姆刚出了个事故。I have had this car for three years.这辆汽车我已用了3年了。By the end of last month, they had finished the work.上月未他们就
2、已经完成了工作。2.have + been +现在分词,构成完成进行时。如:I have been studying English for 8 years.我学英语已达八年了。The children have been having a lot of run.孩子们一直玩得很开心。We had been doing business with each other for years before we quarreled.在吵翻之前,我们多年来在业务上一直来往。By this time next year, we will have beendoingbusiness with each
3、 other for 20 years.到明年这时候,我们的业务住来就满20年了。I woke upI had been having a bad dream.我醒了,我做了个噩梦。3.have+been +过去分词,构成完成式被动语态。如:English has been taught in China for many years.中国教英语已经多年。I have been made redundant, so Im going abroad.我被定成了超编人员,所以我打算出国。Thousands of pounds have been spent on the new hospital.
4、这家新医院花费了数千英镑。None of my friends have been invited to the party.我的朋友中没有一个被邀参加晚会。All means have been used to get him to change his mind.为了转变他的想法,所有的办法都用过了。助动词be的用法1.be +现在分词,构成进行时态。如:They are having a meeting.他们正在开会。We were planting trees this time yesterday.我们昨天这个时候在植树。2.be +过去分词,构成被动语态。如:The door wa
5、s broken by Tom.门是汤姆打破的。English is taught in our school.我校教英语。3.be +动词不定式,可表示:A.打算、决定、计划、安排等。如:He is to visit Japan next week.他决定下周访问日本。I was to have told you yesterday, but you were not in.我本打算昨天告诉你的,但你不在家。B.指示、命令、禁止等,即“必须,一定”。如:You are to hand in the exercises tomorrow.你们明天必须交练习。Youre not to (=You
6、 mustnt)smoke here.你不可以在此处抽烟。C.责任、义务、需要,即“该不该”。如:You are to (=should)report to the police.你应该报警的。Am I to go on with the work?这工作我该不该继续干下去?D.可能性,与can, may相当,不定式多用被动式。如:The book was not to (=could not)be found.那本书可能找不到了。E.假设,用于虚拟条件句中。如:If it were to rain, we would get wet.要是下雨,我们就会淋湿。F.表示注定要发生或后来必然发生。
7、如:This experience was to change his life.这次经历注定要改变他的生活。注:不定式作表语与上述用法是不同的。如:My idea is to go there today.我的意思是今天就去那里。动词allow的四个有用搭配1.allow(doing)sth允许(做)某事。如:The facts allow no other explanation.事实不允许有其他的解释。We dont allow eating in the classrooms. (我们)不允许在教室吃饭。注:有时用于被动语态。如:Dogs are not allowed.狗不得入内。S
8、moking is not allowed here.此处不准吸烟。2.allowsbtodosth允许某人做某事。如:My parents dont allow me to go out at night.我父母不允许我晚上出去。Her boss doesnt allow her to use the telephone.她的老板不允许她使用电话。注:有时用于被动语态。如:Passengers are not allowed to smoke.乘客不准吸烟。3.allowsbsth给予某人某物(尤指钱或时间);让某人有(拥用或带有)某物。如:He allows his son too muc
9、h money.他给他儿子的钱太多。Well allow you time to answer.我们将给回答的时间。I will allow you 10% off the price if you pay now.如果你现在付款,我可以给你打九折。We allow passengers one item of hand luggage each.我们允许每个乘客带一件手提行李。注:有时用于被动语态。如:Im not allowed visitors.我不准有访客。4.allowfor考虑到,把考虑进来,体谅。如:We should allow for every possible delay
10、.我们考虑到任何可能的延误。We must allow for his youth.我们必须体谅他的年轻。动词advise的三点用法1.表示“建议”,通常为及物动词,若其后的宾语是动词,通常应是动名词,而不能是不定式。如:我建议等到适当的时候。正:I advise waiting till the right time.误:Iadviseto wait till the right time.注意:advise之后不能直接跟不定式,但可接不定式的复合结构。如:He advised us to sell the house.他建议我们把房子卖了。The doctoradvised me to s
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