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时间:2018-11-24
《be动词的用法总结》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、be动词的用法总结Be动词的用法口诀:我用am,你用are,is连着他,她,它;单数名词用is,复数名词全用are。变疑问,往前提,句末问号莫丢弃。变否定,更容易,be后not莫忘记。疑问否定任你变,句首大写莫迟疑一、系动词bebe可以用作连系动词,中心词义是“是”,句型为“主+系+表”结构。be的形式常用am,is,are(现在式);was,were(过去式);will/can/may/mustbe(助动词/情态动词+原形);have/has/hadbeen(助动词+过去分词)等。如:Tohelpanimalsish
2、elpingpeople.(一般现在时)Thetwinswereverybusyyesterday.(一般过去时)Itwillbesunnytomorrow.(一般将来时)Shehasbeenillforoveraweek.(现在完成时)二、助动词beBe可以用作助动词,无词义,辅助主要动词一起在句中作谓语动词。用法如下:1.be+doing:构成进行时态,有现在和过去两种进行时态。如:Thegirlsisreadingandcopyingthenewwordsnow.YoungTomwashavinganEnglis
3、hclassatthistimeyesterdaymorning.2.be+done:构成被动语态(主语是动作的承受者,done必须是及物动词)。如:Teaisgrowninmyhometown.(一般现在时的被动语态)Thisbuildingwasbuiltthreeyearsago.(一般过去时的被动语态)Ourclassroomhasbeencleanedandtidiedalready.(现在完成时的被动语态)Howcouldthiskindofcakesbemadeinyourhome?(含情态动词的被动语态
4、)Thatisadaynevertobeforgotten.(动词不定式的被动语态)3.be+goingtodo,表示“打算或将要做某事”,be有现在和过去两种形式。如:Wearegoingtoplanttreesintheparktomorrow.Ididn'tknowifshewasgoingtocomehere.4.be+todo,表示“按计划安排将要做某事”。如:ThenewshopisnottobeopenedtillnextMonday.【练习】翻译下列句子1.他们现在正在开会。Theyameetingno
5、w. 2.如今英语越来越重要了。Englishmoreandmoreimportantthesedays.3.窗户是汤姆打碎的。ThewindowbyTomlastweek. 4.世界各地都教英语。Englishallovertheworld. 5.他下周要去纽约。HeNewYorknextweek.6.我们要教新的学生。Wethenewstudents.7.他们昨天这个时候正在开会。Theyameetingatthistimeyesterday. 8.明天我们将到公园里去种树吗?wetreesintheparktom
6、orrow?三、therebe句型be可以用在therebe句型中。therebe句式为:therebe+主语部分+状语部分,表示“某处存在某物”,有现在时、过去时和将来时等时态。如:Oh,cool!Andtherearemanythingstosee.ThereisevenadeerparkinSanya.Thereareabout80goatsonthetopofthehill.Willtherebeafootballmatchinyourschoolnextweek?【练习】用therebe句型的适当形式填空1.
7、Thereagirlintheroomnow.2.Look,theresomeapplesonthetree.3.Thereanykitesintheclassroomyesterdayafternoon?4.Thereanyapplejuiceinthebottle?5.Theresomebreadontheplate.6.Thereaboy,twogirls,threemenandtenwomenintheparkatthistime.7.Therearobot(机器人)inyourfactoryinthenear
8、future(不久的将来)?8.Theretwogirls,aboy,threemenandtenwomenintheparkatthistime.四、实义动词beBe可以视为实义动词,因为它具有实际的词义,如“成为;举行;到达”等。如:Thissmallbagisred.(be+形容词)Mylittledaughterwasse
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