grammar---现在完成时

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1、现在完成时完成性持续性说出下列动词的过去式和过去分词work---worked---die---died---stop---stopped---study---studied---workeddiedstoppedstudied规则变化，在词尾+edsee---saw---eat---ate---be---was/were---go---went---break---broke---seeneatenbeengonebroken说出下列动词的过去式和过去分词说出下列动词的过去式和过去分词find---found---take---took---send---sent---h

2、ave---had---make---made---foundtakensenthadmadegive---gave---givenread---read---readwrite---wrote---writtenget---got---gotforget---forgot---forgottenfly---flew---flownthink---thought---thoughtcome---came---comedrink---drank---drunkswim---swam---swumsing---sang---sung不规则的动词因词而异，见书199-200页[A

3、AA型]read---read---read[ABB型]have---had---had[AAB型]beat---beat---beaten[ABA型]come---came---come[ABC型]take---took---taken一、现在完成时的构成肯定句句型：主语+have主语(三单)+has过去分词+连词组句haslived/he/inBeijing.myhomework/I/havefinished.inBeijing/havelived/we.WehavelivedinBeijing.HehaslivedinBeijing.Ihavefinishedmyho

4、mework.IhavevisitedAustralia.MrsWanghascomeintotheroom.Comein,please!LucyMrsWang句型主语+have/has+not+过去分词+…一、现在完成时的构成否定句变否定句Ihavealreadyseenthemovie.HehasbeentoBeijingsincethen.Ihaven’tseenthemovieyet.Hehasn’tbeentoBeijingsincethen.句型Have/Has+主语+过去分词+….一、现在完成时的构成一般疑问句变一般疑问句（肯、否定回答）Youhavefini

5、shedthework.Shehasarrivedhere.Haveyoufinishedthework?Hasshearrivedhere?--Yes,shehas.--No,shehasn’t.句型特殊疑问词+have/has+主语+过去分词+…….一、现在完成时的构成特殊疑问句HowmanytimeshaveyoubeentotheGreatWall?HowlonghaveyoulivedinChina.翻译句子她已经把信邮走了。他们曾经去过中国吗？我看过那个电影。Ihaveseenthatfilm.Shehassenttheletter.Havetheyeverbe

6、entoChina?时间状语just刚刚/already已经/yet还(未)for+一段时间/since+时间点once/twice/~timesnever/ever/beforeinthepastfewyears时间状语just/already/yetHaveyouhadlunchyet?-Yes,I’vealreadyhadit.I'vejusthadit.时间状语Ihaven’tseenherforfiveyears.Hehasbeenheresince2003.for/sinceIhavetaughtinthisschoolfor6years.Ihavetaught

7、heresince2005.时间状语IhavebeentoBeijingonce.IhavebeentoBeijingtwice.IhavebeentoBeijing3times.once/twice/~times时间状语TheyhavebeentoAmericabefore.Hehastraveledaroundtheworldinthepastfewyears.never/ever/before/inthepastfewyearsI’veneverbeentoBeijing.I’veeverbeentoBeij