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ID:44217044
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页数:4页
时间:2019-10-19
《现在完成时语法专项练习与总结》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、③ever曾经(句中)④nevei•从不(句中)⑤just刚刚(句中)©before以前(句尾)⑦sofar到H前为止现在完成时语法专项练习与总结现在完成时态1•定义:①过去发牛的动作对现在造成的影响或结呆强调现在的结果°例:Ihavealreadyfinishedmyhomework②过去已经开始一直持续到现在的动作或状态:强调持续到现在。例:Ihavelivedheresince1990.2.现在完成时的构成havehas+过去分词3.现在完成时的四个基本旬型肯定句Hehasfinishedthework.一般疑问句Ha
2、shefinishedthework?否定彳UHehasnotfinishedthework.两回答Yes,hehas.No,hehasn't.特殊疑问句Whathashedone?4.在下列情形下用现在完成时(1)九词语①already已经(肯定句屮或旬尾)例:Ihavealreadyfoundmypen.=Ihavefoundmypenalready.②yet已经,还(在否定句和疑问句句中代替already)例:Ihavenotfinishedtheworkyet.Haveyouboughtacomputeryet?例:H
3、aveyoueverseenpandas?例:IhaveneverbeentoBeijing.例:Ihavejustdonemywork.例:Ihaveneverbeentherebefore.例:Sofarhehaslearnt200words-⑧howlong多久例:Howlonghaveyoulivedhere?⑨howmanytimes多少次例:HowmanytimeshashebeentoBeijing?(2)两结构(for和since引导的时间)fortwomonthsfor十一段时间Jimhaslivedhere
4、for2months.sincelastyearsince+过去点时间LucyhasbeeninBeijingsince3yearsago.since3yearsagosince1990sincehecameheresince+过去时态句了HehasbeeninChinasincehecamehere・(2)以下时间也是现在完成时的时间:thesedays,inthelast/pastthreeyears,⑶两词组havcgoncto去了某地例:HehasgonetoBeijing(去了北京)havebee
5、nto去过某地例:HehasbeentoBeijing.(去过北京)(4)如果句子里面没有时间状语,汉语意思能够加“已经”,往往用现在完成时态。例:Haveyoulostyourlibrarybook?你已经弄丢了从图书馆借的那本书吗?(5)现在完成时态还常常用于下列句型Theyhaveplantedmanytreesinthelastfewyears・在过去的几年,他们已经种了很多树。ThisisthebestbookIhaveeverread.这是我曾经读过的最好的一本书。ItisthefirsttimeIhaveplay
6、edthecomputergames・这是我笫一次玩电脑游戏。5.在现在完成时中,一次性动词(也称瞬间性动词)不能和一段时间状语连川例:Hehasboughtthebookfor3years.(错)因buy这个--次性动词不能和--段时间for3years连用,改正的办法有五种:①Hehasboughtthebook..(去掉一段吋间fbr3years)②Heboughtthebook3yearsago(改为一般过去时,使句了的意思不变)③It's3yearssinceheboughtthebook.=3yearshaspas
7、sedsinceheboughtthebook.(改为固定句型Itis…since…)④Hehasnotboughtthebookfor3years.(改为否定句)⑤Hehashadthebookfor3years.(用延续性动词have代替buy)6.还冇其他一次性动词也是这种情况,可参照前面的五种办法改正,前四种改法都一样,笫五种改法各不相同,举例如下:®come/arrive/getto/reach—>behere例:Ihavecomeherefor3years.(错)改为:Ihavebeenherefor3years
8、・②lcavc/go—>bcaway例:Hehasleftfor3hours.(错)改为:Hehasbeenawayfbr3hours.®begin/start—>beon例:Thefilmhasbegunfor3minutes.(错)改为Thefilmhasbeenonfo
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