青少版新概念3AUnit-2课件

3AUnit23AUnit2青少版新概念3AUnit-2课件howmanypoundshasthefatmanlost?howmanypoundshasthefatma仔细观察红色部分ShehasbeentoJapan.ShehasdrunkChineseblacktea.Ihavesungkalaoka.Ihaveeatensnails.has/have+动词过去分词仔细观察红色部分ShehasbeentoJapan.Thinkaboutit.....1.现在完成时2.结构：have/has+动词的过去分词e.g.Ihavehadasandwich.3.现在完成时用法1）表示：2）表示：4.改否定：改一般疑问：Thinkaboutit.....1.现在完成时Let’stakealookatgrammar.Let’stakealookatgrammar.找一找属于那种用法1.Ihavejustdonemyhomework.2.Ithasrainedsincelastnight.3.Wehaven’tseenherforages.4.Hassheevervisitedyou?5.Havetheyfinishedtheirworkyet?找一找属于那种用法1.Ihavejustdonemy（2）现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作（用行为动词表示）或状态（be动词表示）常与for（+时间段）,since（+时间点或过去时的句子）连用.①for+时段②since+过去一个时间点（译为：自从……以来）③since+时段+ago④since+从句（过去时）⑤Itis+时段+since+从句（过去时）

Maryhasbeenillforthreedays.

Ihavelivedheresince1998.

（2）现在完成时可以用来表示发生在过去某一时刻的,持续到现在四．现在完成时的标志

1.现在完成时的含义之一是过去完成的动作对现在仍有影响,用以下四大标志词可以表达这种含义:*以already,just和yet为标志

Hehasalreadygotherhelp.

他已得到她的帮助。

Hehasjustseenthefilm.

他刚刚看过这场电影。

Hehasn‘tcomebackyet.

他还没有回来。四．现在完成时的标志

1.现在完成时的含义之一是过去青少版新概念3AUnit-2课件青少版新概念3AUnit-2课件试一试下列动词。。。work____________live____________stay____________drop____________clean____________study____________试一试下列动词。。。work__________试一试下列动词。。。work_worked__worked_live_lived__lived_stay_stayed__stayed_drop_dropped__dropped_clean_cleaned__cleaned_study_studied__studied_试一试下列动词。。。work_worked__w青少版新概念3AUnit-2课件⑴AAA型（动词原形与过去式、过去分词同形）

let（让）

let

let

put（放）

put

put

read（读）

read

read

beat（动）

beat

beat

cost（花)costcost

cut（割）

cutcut

⑴AAA型（动词原形与过去式、过去分词同形）

let（让）(4)ABB型（过去式与过去分词同形）

dig（挖）

dug

dug

get（得到）

got

got

hang（吊死）hanged

hanged

hang（悬挂）hung

hung

hold（抓住）held

held

shine（照耀）shone

shone

sit（坐）

sat

sat

win（赢）

won

won

meet（遇见）met

met

(4)ABB型（过去式与过去分词同形）

dig（挖）

(5)ABC型

begin（开始）

began

begun

drink（喝）

drank

drunk

ring（铃响）

rang

rung

sing（唱）

sang

sung

swim（游泳）

swam

swum

blow（吹）

blew

blown

(5)ABC型

begin（开始）began

b

do（做）

did

done

go（去）

went

gone

lie（平躺）

lay

lain

see（看见）

saw

seen

wear（穿）

wore

worn

be(am,is,are)

was/were

beendo（做）diddone

go（去）青少版新概念3AUnit-2课件lose_______draw_________hear________sell________stand________take________have________do________see________think________lose_______draw________lose_______draw_________hear________sell________stand________take________have________do________see________think________lostlostdrewdrawnheardheardsoldsoldstoodstoodtooktakenhadhaddiddonesawseenthoughtthoughtlose_______draw________青少版新概念3AUnit-2课件Wherehaveyoubeen?Wherehaveyoubeen?flightn.空中旅行seatn.座位frontrow前排

middlerow中排

backrow后排spacen.空间extraadj.额外的flightn.空中旅行flightattendant

空中服务员stretchout

伸展开brilliantadj.

聪明的flightattendantWouldyoumindgivingyourseatstothiscouple?Wouldyoumindgivingyourseatstothiscouple?WouldyoumindgivingyourseaWouldyoumind……?用于礼貌的征求对方的意见，“你/你们介意……吗？”Wouldyoumindgivingyourseatstothiscouple?

你介意把座位让给这对夫妇吗？Wouldyoumind……?用法Wouldyouminddoingsth?

表示希望对方做某事。例：你介不介意关门？

Wouldyoumindclosingthedoor？

用法Wouldyouminddoingsth?2.Wouldyoumindone’sdoingsth?

询问对方是否介意自己或别人干某事？

例：你介不介意我关门？

Wouldyoumindmyclosingthedoor?2.Wouldyoumindone’sdoing3.Wouldyoumind+if从句

询问对方是否介意自己或别人干某事。（同2）例：你介不介意我关门？

WouldyoumindifIclosethedoor.

3.Wouldyoumind+if从句回答介意不介意回答介意不介意三．

hasgone(to),hasbeen(to),hasbeen(in)的区别

Have/Hasgone(to):去了(现在不在说话现场)Whereisyourfather？HehasgonetoShanghai.Have/Hasbeen(to):去过（已不在去过的地方）MyfatherhasbeentoShanghai.Have/hasbeenin：呆了多久（还在所呆的地方）MyfatherhasbeeninShanghaifortwomonths./sincetwomonthsago.三．hasgone(to),hasbeen不介意No,Idon’tmind.No,ofcoursenot.No,goahead.不介意No,Idon’tmind.No,ofcou介意Yes,Idomind.I’msorrybutIdo.I’msorryyoucan’t.介意Yes,Idomind.I’msorrybutListeningexercisesListeningexercisesWhatisPaulsayingtoClaire?Canyoufinishit?WhatisPaulsayingtoClaireQuestionsClaire’smotherisbrilliant.Clairewouldn’tlikeanywaterororangejuice.Paul’sgoingtoenjoytheflight.Clairesoundslikeherfather.(T)(T)(T)(F)QuestionsClaire’smotherisbr5.Isitashortflight?6.DidClairehaveadrinkjustnow?

7.WhatwouldPaullike?8.Whydothecoupleneedtheextraspace?

No.Yes.Somewater.Becausetheyaretall.5.Isitashortflight?No1,ArePaulandClaireinLondonnow?

2,AretheyinWashingtonnow?

1,ArePaulandClaireinLondwritethesentences1.IhavebeentoShanghaibefore.I__________beentoShanghaibefore.(改否定句)2.Hehasn’tcometoschoolbecausehewassick.(划线提问)_________hecometoschool?writethesentences1.Ihave