资源描述：
《现在完成时态复习课件.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、现在完成时助动词have/has+动词的过去分词1.肯定句：主语+have/has+过去分词+其他.2.否定句：主语+have/has+not+过去分词+其他.3.一般疑问句：Have/Has+主语+过去分词+其他?--Yes,主语+have/has./--No,主语+haven’t/hasn’t.4.特殊疑问句：特殊疑问词(非主语)+have/has+主语+过去分词+其他？2)特殊疑问词(是句子主语)+have/has+过去分词+其他？5.时间状语:already,yet,just,ever,never,before,twice,sofar,inthepastfewyea
2、rs,bythistime,for+一段时间，since+时间点,since+一段时间+ago,since+过去式的句子…含义：表示过去发生或已经完成的某一动作对现在造成的影响或结果。过去的动作或状态从过去某一时刻开始，一直延续到现在，而且可能还要继续下去。already,yet,ever,never,justyet常用于现在完成时的一般疑问句或否定句的句末。用于疑问句中时，意为“已经”；用于否定句中时，意为“还”。Notyet表示“尚未，还没”。already一般用于肯定句，用于疑问句时表示惊讶，出乎意料。常放于句中，实义动词之前，助动词之后。ever曾经用于疑问句中ne
3、ver从不带有否定意义just刚刚与现在完成时连用一般置句中for+一段时间=since+一段时间+agobuy/bought————havehadborrow/borrowed——havekeptarrive/arrived——havebeenin/atleave/left——havebeenawayopen——havebeenopenjoin——havebeeninbegin/start-----havebeenon非延续性动词和延续性动词之间的转换1.现在完成时中，非延续性动词需要转换为相应的延续性动词。A:HaveyoueverbeentotheGreatWall?
4、B：Yes,Ihave.Whataboutyou?A:Me,too.=SohaveI.=Ihaveeverbeenthere,too.So+助动词/be动词/情态动词+主语.A:HaveyoueverbeentotheGreatWall?B:No,Ihaven’t.Whataboutyou?A:Meneither.=NeitherhaveI.=Ihaven’tbeenthere,either.Neither+助动词/be动词/情态动词+主语.1.Both his parents look sad.Maybethey ________what's happened to hi
5、m.Ａ. knewＢ. haveknownＣ. mustknowＤ.willknow2.He has _____been to Shanghai,has he?Ａ. alreadyＢ.neverＣ.everＤ.still一、单项选择。BBExercises3.Thefamouswriter_____onenewbookinthepasttwoyearＡ.is writingＢ.was writingＣ.wroteＤ.has written4.--Ourcountry ______alotsofar.--Yes.Ihopeitwillbeeven______.Ａ.has ch
6、anged;wellＢ. changed;goodＣ.has changed;betterＤ. changed;betterDC5.ZhaoLan______already ______inthisschoolfortwoyears.Ａ.was;studyingＢ.will;studyＣ.has;studiedＤ.are;studying6.We______XiaoLisinceshewasalittlegirl.Ａ.knowＢ. had knownＣ.have knownＤ. knewCC7.HarryPotterisaverynicefilm.I_______ittwi
7、ce.Ａ. will seeＢ. have seenＣ. sawＤ.see8.–ThesefarmershavebeentotheUnitedStates.–Really?When_____ there?Ａ.will they goＢ. did they goＣ. do they goＤ. have they goneBB9.--______you___your homework yet?--Yes.I_____ it a moment ago.Ａ. Did;do;finishedＢ. Have;done;fini
