1.ago
[误]Tomsfatherhasbeendeadfiveyearsago.
[正]Tomsfatherdiedfiveyearsago.
[析]ago意为由说话时算起,若干时间以前。它只能和一般动词过去时连用,而不要与完成时连用。
[误]YesterdayImetafriend.Wedidntseeeachotherforalongtimesinceweleftthecollegetwentyyearsago.
[正]YesterdayImetafriend.Wehadntseeneachotherforalongtimesinceweleftthecollegetwentyyearsago.
[析]要注意的是在本句ago是用在由since引起的从句之中,只是从句应用过去时,但不影响主句的时态。
2.agree
[误]Doestheteacheragreetous?
[正]Doestheteacheragreewithus?
[误]Doesheagreewithourplan?
[正]Doesheagreewithus?
[析]agreewith指同意某人的提议、建议、计划等。如果要讲同意某项计划则要用agreeto,如:Doyouagreetotheplan?
3.all
[误]Theoldmanhastwosons.Allofthemareworkers.
[正]Theoldmanhastwosons.Bothofthemareworkers.
[析]all是指三者或以上的全部,而both则是指两者都。
[误]Theallchildrenareplayingfootballnow.
[正]Allthechildrenareplayingfootballnow.
[析]all作修饰词时其位置要在所有的修饰词之前,不论这些修饰词是定冠词、指示代词、形容词或名词,或代词的所有格。
[误]Youallareright.
[正]Youareallright.
[析]all作同位语时其位置要置于be动词之后,实意动词之前,如:Theteachersallworkhard.或用于第一助动词之后,如:Theboyshaveallbeenwaitingfortheirmothers.
4.almost
[误]Nearlynobodythinksheisright.
[正]Almostnobodythinksheisright.
[析]nearly与almost是近义词,其含意差别不大,但是与否定词连用时要用almost,例如:Shebroughtalmostnomoneywithher.此句中的almost不能用nearly替换。
5.alone
[误]Theoldmanlivedlonebuthedidntfeellonely.
[正]Theoldmanlivedalone,buthedidntfeellonely.
[析]alone,lone,lonely三个词全具有孤单、孤独之意。但其用法不同:lone可以作定语,而alone则只能作表语,lonely则多指感情上与感觉上的孤独。
6.already
[误]Wearealreadyforthework.
[正]Weareallreadyforthework.
[析]already是副词,其意为已经,如:Healreadyknewaboutit.而allready为形容词意为准备好。
alreadyyet
already多用于肯定句中,例如:Thestudentshavealreadyfinishedthework.而yet则多用于疑问句与否定句中,如:Haveyoufinishedityet?Ihaventfinishedityet.
7.also
[误]Ididntfindthedictionaryalso.
[正]Ididntfindthedictionaryeither.
[析]作为也讲,在否定句中要用either而不能用also.
alsotoo
also与too都可用在肯定句中表示也,但also通常用于be动词或情态动词之后,如:Icanalsodoitmyself.而too一般放于句尾。Illattendhisclass,too.
8.always
[误]Alwaysheaskedhimselfwhyhehadcomehere.
[正]Healwaysaskedhimselfwhyhehadcomehere.
[析]always一般不能用于句首,它在一般句中的位置是于动词之前第一助动词之后,如:Ivealwaysthoughtheishonest.又如:Heisalwayslate.
9.among
[误]Ifthethreeapplesaredividedamongthetwoboyshowmuchwilleachreceive?
[正]Ifthethreeapplesaredividedamongthethreeboyshowmuchwilleachreceive?
[析]among常用于三个事物或人物之间,而between则多用于两者之间。
10.an
[误]Thisisanusefuldictionary.
[正]Thisisausefuldictionary.
[析]详见a条。
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