20242025學年八年級英語下冊重難點提優訓練（人教版）Unit8重點語法專練現在完成時1.現在完成時的用法(1)定義：表示過去發生或已經完成的動作對現在造成的影響或結果；或表示過去某一時間開始并一直持續到現在的動作或狀態(有可能持續下去)。如：Ithasjustsnowed.剛剛下過雪。(地上有積雪)Shehastaughtintheschoolfortenyears.她在這所學校教書已經10年了。（有可能繼續教下去）(2)謂語動詞：have/has+過去分詞(3)時間標志詞：for+時間段，since+表示過去的時間點，already(用于肯定句中),yet(用于否定句和疑問句中)，just，before，recently，still，lately，theseyears，uptonow，sofar，in/over/duringthelast/pastfewmonths等。2.現在完成時的句式變化句

式結

構舉

例肯定句主語，have

/has,過去分詞，其他.He

has

had

dinner.他吃過晚飯了。否定句主語+haven't/hasn't

+過去分詞+其他.He

hasn't

had

dinner.他還沒有吃晚飯。一般疑問句Have/Has+主語+過去分詞+其他?

肯定回答：Yes,主語+have/has.

否定回答：No,主語+haven't/hasn't.—Has

he

had

dinner?他吃過晚飯了嗎?

—Yes,he

has.是的，他吃過了。

—No,he

hasn't.不，他還沒吃。3.過去分詞的變化規則（1）規則動詞的過去分詞構成與其過去式的構成相同變化規則舉

例一般情況下在詞尾加edhelp→helped→helped以不發音的e結尾的，加ddecide→decided→decided末尾只有一個輔音字母的重讀閉音節單詞，雙寫該輔音字母再加edstop→stopped→stopped以"輔音字母+y"結尾的，變y為i,再加

edcarry→carried→carried語法專練一、單項選擇1．—Ican’tfindmykeys.I’msureI________themsomewhereinthehouse.—Don’tworry.Let’slookforthemtogether.A．left B．haveleft C．wasleaving D．leave2．—Look!Whatacleanroom!Who________it?—Jessica,Iguess.Sheisalwayshelpful.A．hascleaned B．iscleaning C．willclean D．cleaned3．―Wouldyoulike________somemorefood?―No,thanks.I________enough.A．tohave;have B．have;had C．tohave;havehad D．tohave;hadhad4．Ted’sfatherisafamous________.He________manymoderntoolssofar.A．invention;invents B．inventor;hasinventedC．invention;invented D．inventor;invents5．Inthepastseveralyears,I________severalwaystodealwithmyinsomnia(失眠)butnoneofthem________.A．tried;works B．havetried;succeeds C．tried;succeeds D．havetried;works6．－________youseenthemovieGonewiththeWind?－No,never.A．Do B．Can C．Have D．Has7．—Whywon’tyougotoseethefilmwithme,Betty?—BecauseI________ittwice.A．see B．saw C．haveseen D．willsee8．—WhereisMr.Miller?Ihaven’tseenhimforseveraldays.—He________toShanghai.Hewillebackintwodays.A．went B．hasgone C．willgo9．—Howlong________they________?—Sorry,Idon’tknow.ButIknowthatPeterisgoingto________anursenextweek.A．did,marry;marryto B．did,getmarried;marrywithC．have,gotmarried;marry D．have,beenmarried;marry10．—Haveyou________beentoFrance?—No,________.A．ever;never B．never;ever C．ever;ever D．never;never11．—________youever________toChengduResearchBase?—No,never.ButIplantovisititthissummer.A．Did;go B．Have;been C．Are;going12．________youever________UFOs?A．Have;seen B．Did;see C．Will;see D．Do;see13．—Haveyou________beentoNanjing,HanMei?—No,never.Iplantogotherethissummerholiday.A．ever B．still C．yet D．already14．—________youever________thenewlibrary?—No,Ihaven’t.A．Do;visit B．Have;visited C．Did;visit D．Are;visiting15．I________thinkhe________evervisitedtheisland.A．/;hasn’t B．don’t;was C．don’t;has D．don’t;will16．Haveyou________beentotheUK?A．just B．ever C．once D．yet17．What’sthebestgiftJohn__________everreceived?A．have B．has C．had D．having18．—Haveyoueverbeentoanaquarium?—No,________.A．Ihave B．Iamnot C．Ihaven’t D．Ihasn’t19．—________youever________toShanghai?—No,never.A．Haven’t;arrivedB．Hasn’t;arrivedC．Didn’t;arrived D．Have;been20．—Haveyou_________visitedtheGreatWall?—No,_________.A．already;ever B．ever;never C．never;ever D．ever;yet21．—________youever________thatnewfilm?—Yes.I________itaweekago.A．Have;seen;saw B．Have;seen;see C．Do;see;see22．Mike’sparentsareGermans,buthe________toGermanysofar.A．neverwent B．nevergo C．hasneverbeen D．willnevergo23．—HaveyouwrittenanythingonChinesetraditionalfoodsofar?—_________,butIhaveaplanforit.A．Eversince B．Lateron C．Notyet D．Fromnowon24．Lucy,haveyourparentsever________toEngland?A．been B．gone C．went D．willgo25．―Haveyougiventhebooksbacktothelibrary________?―Yes,Ihave________giventhemback.A．yet;yet B．ever;already C．already;yet D．yet;already26．—________you________oftheInternationalMuseumofToiletsinIndiayet?—No,notyet.A．Has;heard B．Have;heard C．Did;hear D．Do;hear27．Ifyou________it,putupyourhandsandletmeknow.A．werefinishing B．willfinish C．havefinished D．arefinishing28．一Ihearyourfather_______toJapanonce.一Yes.He________thereayearago.A．went;hasbeen B．hasbeen;wentC．goes;went D．hasbeen;hasbeen29．I________thedocumentaryAPlasticOceanseveraltimessofar.A．watched B．watch C．havewatched D．willwatch30．Theseyoungmen________toXizangmanytimes.A．are B．were C．havegone D．havebeen二、按要求完成句子1．Samhasalreadyturnedoffthelightinhisroom.(改為否定句)Samoffthelightinhisroom.2．Myfatherhastakenthecattotheanimalhospital.(改為一般疑問句)thecattotheanimalhospital?3．Timhasdecidedtoplaythepianointheartshow.(對畫線部分提問)Timtodointheartshow?4．Haveyouhadyourdinner?(作否定回答),.5．ThisisthefirsttimeforEmilyandhersistertovisitYantai.(改為同義句)EmilyandhersisterYantaibefore.6．Hehasalreadyfinishedthework.（改為否定句）Hefinishedthework.7．ShehasalreadyebackfromHongKong.（改為一般疑問句）sheebackfromHongKong?8．Ihavewaitedforthebusfortwentyminutes.（對劃線部分提問）haveyouwaitedforthebus?9．HasTinaarrivedinLondonyet?（作否定回答）,.10．Thechildrenhaveneverdonethatbefore.（改為反意疑問句）Thechildrenhaveneverdonethatbefore,?三、短文填空閱讀短文，用括號內所給詞的正確形式填空，使短文完整、正確。TheSecretGardenisalongnovelwrittenbyanAmericanwriterBurnett.Thisnovelcameoutin1911.Andthenit1(be)popularformorethan100yearsalready.Mary,themaincharacter,isbadtempered(壞脾氣的)sothatfewchildrenwanttomakefriendswithher.WhenMaryisten,herpare