现在完成时态讲课教案

现在完成时态城厢中学谭娟现在完成时Presentperfecttense

构成:助动词have/has

+过去分词1.肯定句

现在完成时的肯定句式是“have（has）＋过去分词”。注意：该句式中的have或has是助动词，has用于第三人称单数，其它人称一律用have。eg.Hehaseatensupper.Theyhaveeatensupper.2.疑问句

现在完成时的一般疑问句式是把助动词have或has提到主语之前。(回答用“Yes，---have/has．／“No，---haven’t/hasn’t．”）3.否定句：现在完成时的否定句式是“haven't/hasn't＋过去分词”。

eg.Hasheeatensupper?Yes,hehas./No,hehasn’t.eg.Hehasn’teatensupper.Theyhaven’teatensupper.用法一、表示过去发生的动作或存在的状态对现在造成的影响或产生的结果。常跟already,just,not…yet,never,before,ever,recently，---times等时间状语连用。注：already与just用于肯定句，在否定句和疑问句中要变为yeteg.现在完成时态的分类Exercises1.I________(have)lunchalready.2.

thetrain_______(arrive)yet?3.Tom____never_______(be)toChina.4.Thetwin______just_____(see)myfather.5.Thetwins____(see)myfatherjustnow.6.______youever_______(ride)ahorse?Never.havehadHasarrivedhasbeenhasseensawhaveriddenwritewrotewrittenrideroderidden7._____you________(clean)theroom?Yes,we__________(do)thatalready.When_______you______(do)it?We_______(do)itanhourago.8.______he______(see)thisfilmyet?No.When_____he_____(see)it?He______ittomorrow.9.Howmanytimes_____you______(come)here?Once.HavecleanedhavedonediddodidHasseenwillseewillseehavecomecomecamecomebecomebecamebecome用法二：

for+一段时间since+过去时态的句子since+过去的时间点E.g.Katehaslivedherefor3years.Katehaslivedheresince3yearsago.KatehaslivedheresinceshecametoChina.表示过去某个时间开始的动作或存在的状态，一直持续到现在并可能还将持续下去。动词使用延续性动词。常与for或since引导的时间连用sofar,

upto/tillnow,

inthelast/past+一段时间，allone’slife.一段时间+ago具体的过去的时间点常见非延续性动词和延续性动词的转变第一类：动词be+adj.diefinishopen/closefallill/asleepmarrysb/getmarriedto第二类：动词be+介词.start/beginleavejoin

bedeadbeawayfrom

bein/beamemberofbeopen/closedbeonbeoverbeill/asleepbemarriedto第三类：动词另一个动词buyborrowget/beginto延续性v.becomeputoneg.keephavebe延续性v.wearHisfatherdied2yearsago.Thefootballmatchbeganat9:00a.m.Thetwinsjoinedthearmywhentheywere18yearsold.MyteacherleftNanjing3daysago.Hisfatherhasbeendeadfor2years/sincetwoyears.Thefootballmatchhasbeenonsince9:00a.m.Thetwinshavebeensoldiers/inthearmy、membersofthearmysincetheywere18yearsold.MyteacherhasbeenawayfromNanjingfor3days/since3daysago.have/hasgoneto

have/hasbeento

have/hasbeeninhave/hasgoneto:已经去了或在途中，还没有返回；反正不在说话地!have/hasbeento:曾经去过某地，现在已经回来了,后面可接表示“次数”、ever、never、before等的状语;

have/hasbeenin:表示某人“已在某地停留一段时间，现仍在那里”，其后常带表示一段时间的状语。

用法三：ExercisesTom在哪儿？他去书店了。我在北京待了5年了。Jack去过上海两次了-WhereisTom?-Hehasgonetothebookshop.IhavebeeninBeijingfor5years.JackhasbeentoShanghaitwice.