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ID:56301078
大小:408.00 KB
页数:50页
时间:2020-06-10
《2013年语法知识第9讲动词的时态和语态.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、第9讲动词的时态和语态一、用所给单词的适当形式填空1.Ithinkhighschoolstudentsshould__________(give)pocketmoney.begivengoes2.Theearth________(go)aroundthesun.3.Blacktea____________(invent)inChinamorethan600yearsago.wasinventedwillbe4.There________(be)morethan50schoolsinourcitynextyear.i
2、sn'tallowedhavehad5.Parking____________(notallow)here.6.I__________(have)thisbikeformorethantwoyears.二、单句改错notallow→isnotallowed1.Ibuyanewshirtyesterday.______________2.Whenwereachthere,theyworkforalongtime.________________________3.Thechildnotallowtoplaycompu
3、tergamesbeforefinishinghomework._______________________4.Janegotoschoolbybus.___________go→goes5.Themeetingholdsnextweek._____________________buy→boughtwork→haveworkedholds→willbeheld动词的第三人称单数1.一般情况直接加-s。如:stop—stopslook—looksread—reads2.以s,x,ch,sh,o结尾的动词加-es。
4、如:watch—watchesmiss—misseswash—washesfix—fixesdo—does3.以辅音字母加y结尾的动词,变y为i再加-es。如:hurry—hurriescry—criescarry—carries4.be动词的三种形式:am,is,are5.特殊:have—has动词的过去式和过去分词1.规则动词:(1)一般情况直接加-ed。如:rain—rainedclean—cleanedwatch—watched(2)以不发音字母e结尾的动词,只加-d。如:live—livedlike—li
5、kedmove—moved(3)以一个辅音字母结尾的重读闭音节动词,双写该辅音字母,再加-ed。如:drop—droppedstop—stoppedplan—planned(4)以辅音字母加y结尾的动词,应变y为i再加-ed。如:carry—carriedstudy—studiedcry—cried2.不规则动词:不规则动词过去式和过去分词的变化规律性不强,只能分别记忆。动词的现在分词1.一般情况在词尾加-ing。如:listen—listeningdo—doingstudy—studying2.以不发音字母e结尾
6、的动词,去e加-ing。如:have—havingmake—making3.以一个辅音字母结尾的重读闭音节动词,双写该辅音字母,再加-ing。如:run—runningget—gettingbegin—beginning4.以字母ie结尾的动词,变ie为y再加-ing。如:die—dyinglie—lying现在完成时中的一些重要用法1.短暂性动词和延续性动词短暂性动词可用于完成时态,说明某个动作的结果还存在,但不能与表示一段时间的时间状语连用,也不能用于howlong引导的特殊疑问句中。如需使用,此时要将短暂性动
7、词转换为延续性动词。如:borrow—keepbuy—havedie—bedeadjoin—beamemberof/beinbegin/start—beonfinish/end—beovercome/go/arrive—bein/atleave—beaway(from)become—beopen—beopenclose—beclosedsleep—beasleepmarry—bemarriedreturn—bebackgetup—beup2.have/hasgoneto,have/hasbeento和have/ha
8、sbeenin的区别(1)have/hasgoneto强调“在去某地的路上或在某地”,人还未回来。如:HashegonetoQingdao?他去青岛了吗?(2)have/hasbeento强调“去过某地”,人已经回来了。如:Haveyoubeentoourtownbefore?你以前曾经去过我们镇吗?(3)have/hasbeenin强调“一直待在某地”,常
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