GrammarandusageM2U1Presentperfecttense&PresentperfectcontinuoustenseRevision:translatethefollowingsentences1.美國警方現已加緊對一名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、現在完成時現在完成時表示動作發生在過去，對現在產生一定影響、造成一定結果。（主要為短暫性動詞）*可以從以下三個方面來理解。1.過去發生的動作，對現在有影響

現在完成時現在

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）

2.從過去持續到現在的動作（延續性動詞或表狀態的形容詞）時間段：since/sofar:從過去到現在inthepast/fewyears:從過去到現在的幾年注意:inthepast過去(一般過去時)現在

time現在完成時

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

從過去某一時間到說話時這段時間中反復發生的動作或多次動作的總和，常同頻度副詞always,often,seldom,never等連用IhavebeentotheGreatWalltwice.

Ithasrainedeverydaythisweek.

Shehasalwayswalkedtoschool.

Ihaveneverseensuchabeautifulbird.

對現在完成時的考查1.現在完成時表示過去的動作對現在的影響或表示經驗。（過去發生的動作與現在沒有聯系仍用過去時）2.現在完成時表示過去的動作一直延續至今，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現在完成時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現在完成時have\hasgonetosp.

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

用現在完成時的典型場合:It/This/Thatisthefirst（second/third…）time＋that從句

It/This/Thatistheonly…＋that從句

It/This/Thatisthe＋最高級…＋that從句

用現在完成時的典型場合:

①It/This/ThatisthefirsttimethatIhavecometoZhejiang.②It/This/ThatistheonlypartythatIhaveeverreallyenjoyedinmylife.③It/This/ThatisthemostinterestingbookthatIhaveeverread.（注:以上句型把is改為was,則從句時態相應改為過去完成時態）Thisisthefirsttimewe______afilminthecinematogetherasafamily.A.seeB.hadseenC.sawD.haveseen1.湯姆已經結婚10年了.Tomhasbeenmarriedfortenyears.2.她肯定累了，因為她一天一直在跳舞。Shemustbetired,forshehasbeendancingallday.這是什么時態？TheCCTVhasbeenbroadcastingEnglishprogramseversince1977.1977now

構成:

have/hasbeen+doing概念:

表示從過去某一時刻發生的動作，可能剛剛結束，也可以一直延續到現在，并且還可能繼續下去。對現在完成進行時的考查

用現在完成進行時的典型場合:

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

Theboystartedhavingdinnerfiveminutesago.Heisstillhavingdinnernow.Theboy________________(have)dinnersincefiveminutesago.hasbeenhaving1.現在完成進行時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現在完成進行時（Ihavebeendoing）VS.現在完成時（Ihavedone）Hehasbeenpaintingtheceiling.Shehaspainted

theceiling.現在完成進行時與現在完成時的區別如下：1.現在完成時與現在完成進行時

Ihavewrittenanarticle.

Ihavebeenwritinganarticle.

2.有些延續性動詞，如live,teach,work,study,learn,stay等因現在完成時與現在完成進行時差別不大。Ihavelivedherefortenyears.=Ihavebeenlivingherefortenyears.Notes：表短暫動作的動詞（finish,marry,getup,come,go等）一般不能用現在完成進行時。強調：已完成性強調：持續性，尚未完成1.Uptonow,theprogram________thousandsofchildrenwhowouldotherwisehavedied.A.wouldsaveB.savesC.hadsavedD.hassaved2.Ig