新概念时态复习.pptx

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1、新概念(一)总复习时态第1页/共113页一般现在时现在进行时一般将来时一般过去时现在完成时第2页/共113页一般现在时学习任何一个时态的步骤1.定义2.标志性单词3.句子的构成结构4.句型转换(肯定句,否定句,一般疑问句,肯定回答及否定回答,特殊疑问句)第3页/共113页 Grammar in use 一般现在时第4页/共113页实义(行为)动词的一般现在时第5页/共113页定义经常性,规律性或习惯性的动作或状态。第6页/共113页alwaysusuallyoftensometimesseldomneveralwaysusuallyoftensometimesseldomnever总是总是通常

2、通常经常经常有时有时很少很少决不决不标志词1第7页/共113页AdverbsoffrequencyIalways/usually/oftensometimes/seldom/nevergo to school on foot.第8页/共113页I go to the English Clubevery day.twice a week.On Saturdays,Once a month,I go to the park.标志词2:everyday(每一天)twiceaweek(一周两次)onsaturdays(每周六)第9页/共113页1、我们、我们每天每天都上学。都上学。2、有时有时我们踢足

3、球我们踢足球。3、我们、我们总是总是在学校吃晚饭。在学校吃晚饭。4、他、他通常通常和爷爷一起玩象棋。和爷爷一起玩象棋。Wegotoschooleveryday.Wesometimesplayfootball.Wealwayshavedinneratschool.Heusuallyplayschesswithhisgrandfather.第10页/共113页人称单三对动词单三第11页/共113页第一人称:我,我们(I,we)第二人称:你,你们(you)第三人称:除了第一第二人称,其他都是第三人称。第三人称单数:男他,女她,动物它(he.she.it),某人,某物,某件事第三人称复数:theyKi

4、ttyandJoehe.she.itKitty.Petermyuncleadog.adeskAcatmyschool第三人称单数第三人称单数第12页/共113页你能分辨出第三人称单数吗?2.Alice4.twooranges6.he8.ice-cream10.they12.theboy14.it16.thegirls1.she3.KittyandJoe5.we7.hisfather9.I11.thecat13.Peter15.myparents第13页/共113页动词单三的变化规则:动词单三的变化规则:1、一般动词后加一般动词后加s.2、以以s,x,ch,sh,o结尾,后加结尾,后加es.3、

5、辅音字母辅音字母+y结尾的单词结尾的单词,去去y,加加ies.2 2).).变化规则如:如:reads,plays,works如:如:watch-watchescatch-catchesdo-doesgo-goes如:如:fly-fliesstudy-studies第14页/共113页drink_go_stay_make_look_have_pass_carry_come_watch_plant_fly_study_brush_do_teach_变动词单三drinksgoesstaysmakeslookshaspassescarriescomeswatchesplantsfliesstudie

6、sbrushesdoesteaches第15页/共113页用动词的适当形式填空用动词的适当形式填空1.We often _(play)on the 1.We often _(play)on the playground.playground.2.He _(get)up at six 2.He _(get)up at six oclock.oclock.playgets第16页/共113页用动词的适当形式填空用动词的适当形式填空3.She_(go)toschoolateightoclock.4.Heusually_upat17:00.(get)5.She_(live)inBeijing.goes

7、getslives第17页/共113页6.Danny_(study)English,Chinese,Maths,ScienceandArtatschool.7.Mikesometimes_(go)totheparkwithhissister.8.Ateightatnight,she_(watch)TVwithhisparents.studiesgoeswatches第18页/共113页变否定句.第19页/共113页实义动词的否定助动词dont和doesnt第20页/共113页变否定句:IlikeEnglish.I_English.ShelikesEnglish.She_English.dont

8、likedoesntlikedont/doesnt+动词原形第21页/共113页1.TomandJill_(notgo)toschool.2.We_(notwatch)TVeveryday.3.Mike_(notgo)tothezooeveryday.4.They_(have)thesamehobby.dontgodontwatchdonthavedoesntwatch第22页/共113页一般疑问句:Welikeourclass._you_ourclass?Shelikesourclass._she_English?likelikeDo/Does提前+主语+动词原形?DoDoes第23页/共1

9、13页Ex1.请做练习1.HerparentsliveinShanghai.否:Herparents_inShanghai.疑:_herparents_inShanghai?.2.YoustudyEnglish.否:You_studyEnglish.疑:_youstudyEnglish?3.Howoften_Tom_football?A.is,playB.do,playC.does,playD.does,playsdontliveDolivedontDoC第24页/共113页.特殊疑问句特殊疑问句特特殊殊疑疑问问句句在在考考试试中中涉涉及及的的比比较较多多,主主要要以以选选择择和和转转换换句句

10、型型为为主主,首首先先要要掌掌握握一一些些常常用用疑疑问问词词的的意意思思如如:what(什什么么),when,whattime(什什么么时时间间),who(谁谁),where(在在哪哪里里),why(为为什什么么),how(怎怎样样),howmany+可可数数名名词词的的复复数数(多多少少),howlong(多多长长时时间间),howoften(多多久久一一次次)等等,其其次次掌握它的掌握它的语序语序,即就是特殊疑问词,即就是特殊疑问词+一般疑问句语序一般疑问句语序特别注意如画线部分为动词的话要用特别注意如画线部分为动词的话要用Whatdo?Eg:Ioftenbrushmyteethat7.

11、Whatdoyouoftendoat7?第25页/共113页一般现在时的助动词一般现在时的助动词dodoes主语为非第三人称单数主语为非第三人称单数肯定句:主语肯定句:主语+动词原形动词原形+其他其他否定句:主语否定句:主语+dont+动词原形动词原形+其他其他一般疑问句:一般疑问句:Do+主语主语+动词原形动词原形+其他?其他?肯定回答:肯定回答:Yes,主语主语+do.否定回答:否定回答:No,主语主语+dont.第26页/共113页主语为第三人称单数肯定句:主语肯定句:主语+动词单三动词单三+其他其他否定句:主语否定句:主语+doesnt+动词原形动词原形+其他其他一般疑问句:一般疑问句

12、:Does+主语主语+动词原形动词原形+其他?其他?肯定回答:肯定回答:Yes,主语主语 +does.否定回答:否定回答:No,主语主语+doesnt.注意:注意:do和和does后要加动词原形后要加动词原形第27页/共113页 Grammar in use现在进行时第28页/共113页1.含义:表示此时此刻正在进行发生的动作或存在的状态。2.标志词:look,listen,now,。3.构成:主语+be(am,is,are)+动词ing现在进行时的现在进行时的含义含义与与构成构成Heisreadingabook.第29页/共113页2.2.否定句:直接在否定句:直接在bebe后加后加not.

13、not.如:如:I am writI am writinging.I am I am notnot writ writinging.现在进行时的句式现在进行时的句式1.1.肯定句肯定句:主语主语+be+v-ing+be+v-ing+其它其它.如如:I:I amam read readinging a book.a book.第30页/共113页3.3.一般疑问句及回答一般疑问句及回答:问句:有问句:有bebe,直接把,直接把bebe提前。提前。肯定回答肯定回答:Yes,:Yes,主语主语 +be +be 否定回答否定回答:No,:No,主语主语 +be+not+be+not-Imdrawing

14、.-AreAre you drawing?you drawing?-Yes,-Yes,I amI am./No,./No,I Im notm not.第31页/共113页4.特殊疑问句特殊疑问句,由由“疑问词疑问词+一般疑问句一般疑问句”Whatdoing?构成构成eg:Heisworking.-Whatishedoing?第32页/共113页现在分词的构成:现在分词的构成:现在分词的构成:现在分词的构成:1.直接加直接加ingeg:look-looking.2.如果动词末尾有不发音的如果动词末尾有不发音的e,则去则去e加加ing.eg:skate-skating3.以重读闭音节结尾以重读闭音

15、节结尾,辅元辅汉堡包结尾的动词辅元辅汉堡包结尾的动词,应双写末尾字母应双写末尾字母,再加再加ing.eg:sit-sitting.4.以以ie结尾,把结尾,把ie变变y加加ing。lie-lyingdie-dyingtie-tying 口诀教你学口诀教你学doing进行时很好记进行时很好记,be加动词加动词-ing;直加双写去哑直加双写去哑e,分词构成须仔细分词构成须仔细;别说别说be词无词义词无词义,主语和它最亲密主语和它最亲密;变疑问变疑问be提前提前,否定否定not再再后添后添;何时要用进行时何时要用进行时look,listen,now标标志志.第33页/共113页 写出下列动词的分词形

16、式写出下列动词的分词形式talk_sleep_watch_sit_listen_make_laugh_lie_cry_sing_cut_write_ talkingsleepingwatchingsittinglisteningmakinglaughinglyingcryingsingingcuttingwriting第34页/共113页一一.用所给动词的适当形式填空用所给动词的适当形式填空.1.Look!Thecat_(run).2.They_(have)breakfastnow.3.Tom_(play)thepianointhelivingroomnow.4.Listen!They_(si

17、ng)intheclassroom.is runningis runningare havingare havingis playingis playingare singingare singing第35页/共113页三三.句型转换句型转换1.Iamwateringtheflowers.(否定句否定句)2.Shesjumpingnow.(一般疑问句一般疑问句)3.Theboysareplayingbasketball.(划线划线提问提问)4.Heisdoinghishomeworknow.(一一疑疑)I am not watering the flowers.Is she jumping n

18、ow?What are the boys doing?Is he doing his homework now?第36页/共113页 Grammar in use 一般将来时第37页/共113页1.定义:表示将来某一时间发生的动作或状态,或计划打算将要发生的动作或状态。2.标志词:tomorrow,next等。3.构成:主语+will(将要)+动词原型+其他。一般将来时的一般将来时的定义定义与与构成构成Kittywillwearglassesinthefuture.第38页/共113页一般将来时的基本结构:1.主语+will(将要)+动词原型+其他2.主语主语+be(am,is,are)goi

19、ngto动词原形动词原形常见的时间状语:常见的时间状语:next(下一个)next Tuesdaynext daynext weeknext monthnext yeartomorrow(明天)tomorrow morningtomorrow afternoontomorrow eveningthe day after tomorrowin a few secondsin the futurein five years第39页/共113页一般将来时的基本结构:主语+will(将要)+动词原型+其他Will 引导的一般将来时用于描绘未来的事情;will还可以表示对未来的设想或主观推测。第40页/

20、共113页WillWill引导的一般将来时,本身引导的一般将来时,本身没有人称和数没有人称和数的变化的变化,而且后面接而且后面接动词原形。动词原形。一般将来时句型结构:1.1.肯定句:主语肯定句:主语 willwill 动词原形动词原形+其他其他.Kitty Kitty will will live live in Beijing in 15 years.in Beijing in 15 years.2.2.否定句:主语否定句:主语will not will not/wontwont动词原形动词原形+其他其他.3.3.一般疑问句:一般疑问句:WillWill 主语主语 动词原形动词原形+其他其

21、他?一般将来时的构成Kitty Kitty will not/wont will not/wont live live in Beijing.in Beijing.Will Will Kitty Kitty live live in Beijing.in Beijing.第41页/共113页WillWill引导的一般将来时,本身引导的一般将来时,本身没有人称和数没有人称和数的变化的变化,而且后面接而且后面接动词原形。动词原形。一般将来时句型结构:4.4.肯定回答:肯定回答:YesYes,主语(代词),主语(代词)+will.will.否定回答:否定回答:NoNo,主语(代词),主语(代词)+w

22、ont.wont.5.5.特殊疑问句结构:疑问词+will+主语+其他?Kitty Kitty will will live live in Beijing in Beijing in 15 years.in 15 years.一般将来时的构成Yes,she Yes,she willwill.No,she No,she wontwont.Where will Kitty live in 15 years?Where will Kitty live in 15 years?第42页/共113页They will have an English party next week.变特殊疑问句变特殊疑

23、问句When will they have an English party?Who will have an English party next week?What will they have next week?特殊疑问句结构:特殊疑问词+will+主语+动词原形+其他?第43页/共113页What will they do?第44页/共113页What will they do?rideabikeplayfootball第45页/共113页They will ride a bike.第46页/共113页What will Hui Tailang do?第47页/共113页What w

24、ill Hui Tailang do?skidance第48页/共113页He will ski.第49页/共113页1.Alice will do her homework next week.(改否定句改否定句)Lucy _ _ her homework next week2.He will find some meat in the machine.(变一般疑问句变一般疑问句)_ he _ _ meat in the machine?3.She will go there tomorrow.(对划线部分提问对划线部分提问)_ _ she _ there?wont doWill find

25、any When willgo第50页/共113页主语+be(am,is,are)goingto+动词原型+其他。一般将来时一般将来时构成构成2Heisgoingtoswimtomorrow.第51页/共113页句型结构:肯定句结构:主语+begoingto+动词原型+其他.Heisgoingtoreadabooktomorrow.否定句结构:主语+be(not)goingto+动词原型+其他.一般疑问句结构:Be+主语+goingto+动词原型+其他?特殊疑问句结构:疑问词+be going to+主语+其他?Heisgoingtoreadabooktomorrow.一般将来时一般将来时th

26、efuturetenseHeisnotgoingtoreadabooktomorrow.Ishegoingtoreadabooktomorrow?Whatishegoingtodotomorrow?第52页/共113页肯定回答及否定回答肯定回答及否定回答:肯定回答肯定回答:Yes,:Yes,主语主语 +be +be 否定回答否定回答:No,:No,主语主语 +be+not+be+not-Heisgoingtoreadabook.-Ishegoingtoreadabook?-Yes,-Yes,he is he is./No,./No,he isnt.he isnt.第53页/共113页_ Pet

27、er going to buy a book?Yes,_ is.A.Are,itB.Is,heC.Is,itD.Are,heB第54页/共113页Im going to swim.(就划线部分提问)What are you going to do?第55页/共113页The girl is going to wash her hands.(变为否定句)The girl isnt going to wash her hands.第56页/共113页I am going to panit it pink.(就划线部分提问)What colour are you going to paint it?

28、第57页/共113页一般将来时的构成:主语+be going to+地方/动词原形+(将来时间).火眼金星。看看下面的句子病在哪里呢?1.Wearegoingtovisitinggrandparentstomorrow.2.Shegoingtogotomorrow.3.Heisgoingtoreadsbooksthisnoon.4.Myparentsisgoingtoswimnextweek.5.Joeisgotothepark.visitisreadis改为aregoing第58页/共113页 Grammar in use 一般过去时第59页/共113页定义:一般过去时表示过去某一特定(与现

29、在无关)的时间发生的动作或存在的状态,与具体的表示过去的时间状语连用。标志词:1.last系列eg:lastweek2.ago系列eg:twodaysago3.yesterday系列eg:yesterdaymorningthedaybeforeyesterday以及justnow(刚才)等。第60页/共113页lastdaynightweekmonthMondayyesterdaymorningafternooneveningthedaybeforeyesterday1.与last连用2.与yesterday连用:用于一般过去时的时间状语第61页/共113页3.与与ago 连用连用:two m

30、inutesthree hoursfive daysone weeksix monthsfour yearsago第62页/共113页所有时态都是通过动词变化来表现的第63页/共113页I_12yearsoldthisyear.我去年11岁.I_11yearsoldlastyear.He_inBeijingnow.他昨天在上海。He_inShanghaiyesterday.他现在在北京。Pleaselookatthesentences我今年12岁.amwasiswas第64页/共113页They_inChinatoday.他们今天在中国。They_inJapanyesterday.他们昨天在日

31、本。areweream/iswasarewere第65页/共113页Hewasaboy30yearsago.Heisanactornow.第66页/共113页She was a girl 20 years ago.She is an actress now.第67页/共113页He was a baby many year ago.He is a basketball player now.第68页/共113页一般过去时的句型构成形式:一般过去时的句型构成形式:一、含有(一、含有(be动词动词am/is/are)的一般过去时形式:)的一般过去时形式:e.g.Iwaslateyesterday.

32、昨天我迟到了。昨天我迟到了。Theywerehappythismorning.今天上午他们很开心。今天上午他们很开心。Hewasafarmersixyearsago.他六年前是一名农民。他六年前是一名农民。IwasinBeijinglastmonth.我上个月在北京。我上个月在北京。Myfriendssosad.were我的朋友们很伤心。我的朋友们很伤心。否定句:否定句:主语主语+was/were+not(wasnt/werent)。疑问句:疑问句:Was/Were+主语主语+?肯定句:肯定句:主语主语+was(were)+。肯定回答:肯定回答:Yes,主语主语was/were.否定回答:否定

33、回答:No,主语主语wasnt/werent.第69页/共113页be动词的过去式是was、are是were肯定句:主语+was/were+yesterday/just now否定句:主语+wasnt/werent其他.一般疑问句:was/were+主语+其他?回答:Yes,主语+was/were/.No,主语+wasnt/werent一般过去时的时态构成第70页/共113页特殊疑问句:特殊疑问词+be过去式+主语+其他?Wherewereyouyesterday?第71页/共113页含有be动词的过去时改否定句:be动词后+notsomeany改疑问句:be动词提前1.someany2.I,

34、weyoumy,ouryour只有问句中才要改人称。只有问句中才要改人称。第72页/共113页1My sister was 28 two years ago.肯定句:主语肯定句:主语+waswere+其它其它否定句:否定句:My sister wasnt 28 two years ago.一般疑问句:一般疑问句:Was your sister 28 two years ago?特殊疑问句:特殊疑问句:How old was your sister two years ago?2 I was at home just now.否定句:否定句:一般疑问句:一般疑问句:特殊疑问句:特殊疑问句:I w

35、asnt at home just now.Were you at home just now?Where were you just now?第73页/共113页Exercise他们昨天在北京。他去年还是个学生。你昨晚在家吗?你们昨天在哪儿?TheywereinBeijingyesterday.Hewasastudentlastyear.Wereyouathomelastnight?Wherewereyouyesterday?第74页/共113页1.Mike_(be)happyyesterday.2.Yourbrother_(be)athome justnow.3.They_(be)here

36、amomentago.4.Helen_(be)10lastMonday.5.They_(be)atschoolyesterday.6.She_(be)inBeijingtwodaysago.waswaswerewaswerewas第75页/共113页练习用 yesterday 改写下列句子。1.I am at school now.2.My son is at home today.3.We are at the office now.4.There is a bus on the road.5.Are there any cars here?6.Here are some butterfli

37、es.第76页/共113页oftenyesterdayplayfootballplayedfootball第77页/共113页oftenyesterdaywashmyfacewashedmyface第78页/共113页yesterdayoftenbrushmyteethbrushedmyteeth第79页/共113页oftenyesterdaygetupatsevenoclockgotupateightoclock第80页/共113页oftenyesterdaygototheparkwenttothepark第81页/共113页Text:陈述句陈述句:主语主语+动词过去式动词过去式+其他其他

38、He telephoned me four times yesterday.否定句:否定句:主语主语+didnt+动词原形动词原形+其他其他 He didnt telephone me four times yesterday.一般疑问句一般疑问句:Did+主语主语+动词原形动词原形+其他其他?Did he telephone you four times?肯定回答肯定回答:Yes,he did.否定回答否定回答:No,he didnt.=No,he did not.特殊疑问句特殊疑问句:特殊疑问词特殊疑问词+一般疑问句一般疑问句 What did he do yesterday mornin

39、g?一般过去时的构成方式第二种:含实义动词一般过去时的构成方式第二种:含实义动词第82页/共113页【动词动词过去式的变化规则过去式的变化规则】一般情况下,在动词原形后直接加ed。如:looked,played,wanted,needed。(在清辅音后读/t/;在浊辅音和元音后读/d/;在/t/,/d/后读/id/。以不发音的字母e结尾的动词,直接加d。如:lived,liked。第83页/共113页【动词动词过去式的变化规则过去式的变化规则】重读闭音节单词需双写最后一个辅音字母,再加ed。如:stopped,shipped。以辅音字母+y结尾的动词变y为i,再加ed。如:studied,wo

40、rried。第84页/共113页【过去式的变化规则过去式的变化规则】有些动词不符合上面的规则,需要特殊记忆.如am(is)-was,are-were,go-went,eat-ate,swim-swam,say-said,see-saw,have,has-had do-did,get-got等.第85页/共113页e16.say17.see18.put19.read20.takelookedlivedstoppedwenthopedtrippedcalledatewantedwerewenthasdidgotcamesaidsawputreadtook写出下列动词的过去式写出下列动词的过去式第8

41、6页/共113页写出下列过去式am,is are do,does go have eat meet come sit run stop read see make play like study 第87页/共113页二.写出下列过去式am,iswas areweredo,doesdid gowenthavehad eatatemeetmet comecamesitsat runranstopstopped readreadseesaw makemade play played like likedstudy studied第88页/共113页1.I did my homework last n

42、ight.肯定句:主语肯定句:主语+动词过去式动词过去式+其它其它否定句:否定句:一般疑问句:一般疑问句:特殊疑问句:特殊疑问句:I didnt do my homework last night.Did you do your homework last night?What did you do last night?2.Jim watered some flowers a moment ago.否定句:否定句:一般疑问句:一般疑问句:特殊疑问句:特殊疑问句:3.My mother went for a walk in the park last weekend.否定句:否定句:一般疑问句

43、:一般疑问句:特殊疑问句:特殊疑问句:Jim didnt water any flowers a moment ago.Did Jim water any flowers a moment ago?What did Jim do a moment ago?My mother didnt go for a walk in the park last weekend.Did your mother go for a walk in the park last weekend?What did your mother do in the park last weekend?第89页/共113页句型转

44、换句型转换1 I was at a camp last weekend.(改为一般疑问句)_ _ at a camp last weekend?2 There were some oranges in the bag just now.(改疑问句)_ _ _ oranges in the bag just now?3 Mary is watching TV now.(用yesterday改写)Mary _ TV _.4 We had a good time last Sunday.(改否定句)We _ _ a good time last Sunday.5 My sister cooked s

45、ome nice food this morning.(划线提问)_ _ _ sister _this morning?Were youWere there anywatched yesterday didnt haveWhat did your do第90页/共113页1.Lucydidherhomeworkathome.(改否定句)Lucy_herhomeworkathome.2.Hefoundsomemeatinthefridge.(变一般疑问句)_he_meatinthefridge?3.Shestayedthereforaweek.(对划线部分提问)_she_there?4.Ther

46、ewassomeorangeinthecup.(变一般疑问句)_there_orangeinthecup?didntdoDidfindanyHowlongdidstayWasany第91页/共113页按要求变换下列句型,每空一词。5.Therewassometeainthecup.(变一般疑问句)_there_teainthecup?6.Lucydidherhomeworkathome.(改否定句)Lucy_herhomeworkathome.7.Hehadlunchatschool.(对划线部分提问)_he_lunchatschool?8.Theyhaddinneryesterday.(对划

47、线部分提问)_they_yesterday?9.Hescleaninghisbikenow.(用justnow改写)He_hisbikejustnow.10.Wewereteachers.(用I换we)I_ateacher.WasanydidntdoWheredidhaveWhatdiddocleanedwas第92页/共113页 Grammar in use 现在完成时第93页/共113页现在完成时的定义和用法:(1)现在完成时表示过去某时发生的行为对现在完成时表示过去某时发生的行为对现在产生的影响。即用过去发生的某个行为来说明现在的某种情况。现在产生的影响。即用过去发生的某个行为来说明现在

48、的某种情况。肯定句式:肯定句式:主语+have(has)+动词过去分词否定句式:否定句式:主语+have(has)+not+动词过去分词一般疑问句:一般疑问句:Have(Has)+主语+动词过去分词?特殊疑问句:特殊疑问句:特疑词特疑词+have(has)+主语主语+动词过去分词?第94页/共113页-Have you had lunch yet?你(已经)吃午饭了吗?-Yes,I have.Ive just had it.我刚刚吃过。(现在我不饿了)第95页/共113页(2)表示从过去某一时刻开始一直持续到现在的动作或状态。这个动作可能刚停止,可能仍然在进行。常带有for和since等表示一

49、段时间的状语。He has been taught here since 2008.他自2008年就在这儿教书。I havent seen her for four years.我有四年没见到她了。第96页/共113页 现在完成时通常与表示不确定的时间副词或短语连用如:ever 曾经 never从不already已经 yet 还 just刚刚 for+一段时间since+时间点 since+2006自从2006年起、since+时间段+ago since two years ago注意:现在完成时不能单独与准确时间连用,(如表示过去的时间状语)如yesterday(morning、aftern

50、oon),last(morning、afternoon),ago等,除非与for,since连用.第97页/共113页 forfor与与sincesince专项解析专项解析 现在完成时还可以描述发生在过去且一直延续到现在的动作,这种动现在完成时还可以描述发生在过去且一直延续到现在的动作,这种动作甚至有可能延续下去。在这种情况下,它一般与作甚至有可能延续下去。在这种情况下,它一般与 for+for+时间段时间段 since+since+时间点时间点 连用。连用。第98页/共113页forfor与与sincesince专项解析专项解析How long has Ian lived in the ho

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