GrammarandusageM2U1Presentperfecttense&PresentperfectcontinuoustenseRevision:translatethefollowingsentences1.美國(guó)警方現(xiàn)已加緊對(duì)一名15歲男孩的搜索。2.自從上周五晚我就沒有看到賈斯丁。3.該事件引起了公眾的極大興趣，原因是….

Thisincidenthasreceivedgreatinterestduetoreportsofalienvisits…PeopleinAmericahavesteppeduptheirsearchforafifteen-year-oldboy.IhavenotseenJustinsincelastFridaynight.Presentperfecttense一、現(xiàn)在完成時(shí)現(xiàn)在完成時(shí)表示動(dòng)作發(fā)生在過去，對(duì)現(xiàn)在產(chǎn)生一定影響、造成一定結(jié)果。（主要為短暫性動(dòng)詞）*可以從以下三個(gè)方面來理解。1.過去發(fā)生的動(dòng)作，對(duì)現(xiàn)在有影響

現(xiàn)在完成時(shí)現(xiàn)在

time過去常同already,just,yet等詞連用Shehaslostherbike.她把自行車丟了。（影響是她現(xiàn)在沒有自行車騎了）Shehashadagoodeducation.她受到過良好的教育。（影響是她文化水平高，有修養(yǎng)）

2.從過去持續(xù)到現(xiàn)在的動(dòng)作（延續(xù)性動(dòng)詞或表狀態(tài)的形容詞）時(shí)間段：since/sofar:從過去到現(xiàn)在inthepast/fewyears:從過去到現(xiàn)在的幾年注意:inthepast過去(一般過去時(shí))現(xiàn)在

time現(xiàn)在完成時(shí)

常同包括現(xiàn)在在內(nèi)的時(shí)間狀語連用，如：today,now,thisweek,thismorning,thesedays,thisafternoon,recently,等；IhavemadelotsoffriendssinceIcametoChina.Hehasn’tboughtsnacksinSizhongSupermarketforalongtime.注意：可持續(xù)的動(dòng)作+時(shí)間段（短暫性動(dòng)詞與一段時(shí)間連用多用于否定句）--__DavidandVicky__married?--Foraboutthreeyears.A.Howlongwere…beingB.Howlonghave…gotC.Howlonghave…beenD.Howlongdid…get現(xiàn)在完成時(shí)3.

從過去某一時(shí)間到說話時(shí)這段時(shí)間中反復(fù)發(fā)生的動(dòng)作或多次動(dòng)作的總和，常同頻度副詞always,often,seldom,never等連用IhavebeentotheGreatWalltwice.

Ithasrainedeverydaythisweek.

Shehasalwayswalkedtoschool.

Ihaveneverseensuchabeautifulbird.

對(duì)現(xiàn)在完成時(shí)的考查1.現(xiàn)在完成時(shí)表示過去的動(dòng)作對(duì)現(xiàn)在的影響或表示經(jīng)驗(yàn)。（過去發(fā)生的動(dòng)作與現(xiàn)在沒有聯(lián)系仍用過去時(shí)）2.現(xiàn)在完成時(shí)表示過去的動(dòng)作一直延續(xù)至今，常與for或since等短語連用。1993now19989years5yearsI_________(graduate)in1993andinthatyearI_______(begin)toteachEnglishinamiddleschool.I______(teach)thereforfiveyears.Fiveyearslater,I_______(move)toNanjing.I______________(teach)seniorEnglishinSunshineHighSchoolfornearly9yearseversincethen.graduatedbegantaughtmovedhavetaught/havebeenteaching現(xiàn)在完成時(shí)Excuseme.I_______Iwasblockingyourway.A.didn’trealizeB.don’trealizeC.haven’trealizeD.wasn’trealizing1.Excuseme.I_______Iwasblockingyourway.A.didn’trealizeB.don’trealizeC.haven’trealizedD.wasn’trealizing2.I________inLondonformanyyears,butI’veneverregrettedmyfinaldecisiontomovebacktoChina.A.livedB.havelivedC.hadlivedD.wasliving現(xiàn)在完成時(shí)have\hasgonetosp.

(區(qū)別是什么？)have\hasbeentosp.M:--Whereisyourfather,Jack?S:--He__________tothefarm.M:--Wherehaveyoubeen?F:--I__________tothefarm.hasgonehavebeen

用現(xiàn)在完成時(shí)的典型場(chǎng)合:It/This/Thatisthefirst（second/third…）time＋that從句

It/This/Thatistheonly…＋that從句

It/This/Thatisthe＋最高級(jí)…＋that從句

用現(xiàn)在完成時(shí)的典型場(chǎng)合:

①It/This/ThatisthefirsttimethatIhavecometoZhejiang.②It/This/ThatistheonlypartythatIhaveeverreallyenjoyedinmylife.③It/This/ThatisthemostinterestingbookthatIhaveeverread.（注:以上句型把is改為was,則從句時(shí)態(tài)相應(yīng)改為過去完成時(shí)態(tài)）Thisisthefirsttimewe______afilminthecinematogetherasafamily.A.seeB.hadseenC.sawD.haveseen1.湯姆已經(jīng)結(jié)婚10年了.Tomhasbeenmarriedfortenyears.2.她肯定累了，因?yàn)樗惶煲恢痹谔?。Shemustbetired,forshehasbeendancingallday.這是什么時(shí)態(tài)？TheCCTVhasbeenbroadcastingEnglishprogramseversince1977.1977now

構(gòu)成:

have/hasbeen+doing概念:

表示從過去某一時(shí)刻發(fā)生的動(dòng)作，可能剛剛結(jié)束，也可以一直延續(xù)到現(xiàn)在，并且還可能繼續(xù)下去。對(duì)現(xiàn)在完成進(jìn)行時(shí)的考查

用現(xiàn)在完成進(jìn)行時(shí)的典型場(chǎng)合:

常和allthemorning,allnight,allday,allthistime,thisweek,thismonth等連用。

Theboystartedhavingdinnerfiveminutesago.Heisstillhavingdinnernow.Theboy________________(have)dinnersincefiveminutesago.hasbeenhaving1.現(xiàn)在完成進(jìn)行時(shí)Themanstartedworkinginthefieldhalfanhourago.Heisstillworkingnow.Theman_________________(work)inthefieldforhalfanhour.hasbeenworkingAdventures

1.----We’vespenttoomuchmoneyrecently.----well,itisn’tsurprising.Ourfriendandrelatives_______aroundallthetime.A.arecomingB.hadcome C.werecoming D.havebeencomingAdventures

2.—Ihavegotaheadache.

—Nowonder.You________infrontofthatcomputertoolong.A.work B.areworkingC.havebeenworkingD.worked3.CathyistakingnotesofthegrammaticalrulesinclassatSunshineSchool,whereshe________Englishforayear.A.studiesB.studiedC.isstudyingD.hasbeenstudying4.Nowthatsheisoutofajob,Lucy________goingbacktoschool,butshehasn’tdecidedyet.A.hadconsidered B.hasbeenconsideringC.considered D.isgoingtoconsider

5.We

onthisprojectforfourhours.Let’shavearest.A.areworkingB.havebeenworkingC.workedD.hadworked現(xiàn)在完成進(jìn)行時(shí)（Ihavebeendoing）VS.現(xiàn)在完成時(shí)（Ihavedone）Hehasbeenpaintingtheceiling.Shehaspainted

theceiling.現(xiàn)在完成進(jìn)行時(shí)與現(xiàn)在完成時(shí)的區(qū)別如下：1.現(xiàn)在完成時(shí)與現(xiàn)在完成進(jìn)行時(shí)

Ihavewrittenanarticle.

Ihavebeenwritinganarticle.

2.有些延續(xù)性動(dòng)詞，如live,teach,work,study,learn,stay等因現(xiàn)在完成時(shí)與現(xiàn)在完成進(jìn)行時(shí)差別不大。Ihavelivedherefortenyears.=Ihavebeenlivingherefortenyears.Notes：表短暫動(dòng)作的動(dòng)詞（finish,marry,getup,come,go等）一般不能用現(xiàn)在完成進(jìn)行時(shí)。強(qiáng)調(diào)：已完成性強(qiáng)調(diào)：持續(xù)性，尚未完成1.Uptonow,theprogram________thousandsofchildrenwhowouldotherwisehavedied.A.wouldsaveB.savesC.hadsavedD.hassaved2.Ig