高三英語語法知識點總結1at如：常用詞組有：atnoon,atnight表示時間的at,in,onat8o’clock，atmidnight,attheendof,atthattime,atthebeginningof,attheageof,atChristmas,atNew等。in表示一段的時間themorning,intheafternoon,intheevening,inOctober,in1998,insummer,inthepast,inthefuture等。onMonday,onChristmasmorning,onthefollowing,onMayDay,onawarmmorning等。2、表示時間的since和from：since表示從過去到from時、過去時、將來時連用。如：Ihopetodomorningexercisesfromtoday./Wehavenotseeneachothersince1995.3inafter：in則表示“在(某一具體時間點之后)，in短語和將來時態連用，after短語和過去時態或將來時態連用。如：We’llbebackinthreedays.AfterseventherainbegantoWhatshallwedoaftergraduation?Aftertwomonthshereturned.注意：after可以表示在一段時間之后(常用在過去時里)4in,on,to：inon指與什么毗鄰，to指在某環境范圍之外如：ChangchunisinthenortheastofChina./MongoliaisonthenorthofChina./JapanistotheeastofChina.5、表示“在……上”的on和in：on只表示在某物的表面上，而用in表示占去某物一部分，表示……上如：Thereisabookonthepieceofpaper./isaninterestingarticleinthenewspaper./Hedugholeinthewall.6through和表示從內部通過，與in有關;across表示從一端至另一端在表面上的通過，與on有關。Waterflowsthroughthepipe./Theoldwalkedacrossthestreet.7、inthecorner,onthecorner,atthecorner：inthecorn表示在落，in指角的內面;onthecorner表，on兼有之意;atthecorner近的外面。如：Thelampstandsinthecorneroftheroom./Imetatwithhimatthestreetcorner./Hesatonthecornerofthetable.8、intheend,attheendof,bytheendof：intheend作“最后of;attheendof;bytheend如：Intheendtheyreachedaplaceofsafety./Attheendoftheroadstandsabeautifulgarden./TheydecidedtohaveanEnglisheveningattheendofthisweek./bytheendoflastmonthhehadfinishedthenovel9、表示“關于”的about和on：兩者都有“關于”的意思，不過前者為一般用詞，而后者表示“關于”，為較正式的“論述”如：Hecametotellmeaboutsomethingimportant./Hewroteabookonscience10、between,among：一般說來，between間，among如：Youaretositbetweenyourfatherandme./Heisalwayshappyamonghisclassmates.between。Agreementsweremadebetweenthedifferentcountries.在談到一些事物或一組事物，而把它們視為分居兩邊時用between。如：Thelittlevalleyliesbetweenhighmountains.在談事物間的差別時，總是用between。如：Theydon’tknowthedifferencebetweencoatsandbarley.11、besides,except,but,exceptfor：besides指除了……還有如：Allwentoutbesidesmeexcept如：Allwentoutexceptme.butexcept在no,all,nobody,anywhere,everything等和其他疑問詞后面。如：Ineversawhimreadinganythingbutthenewspaper.;exceptfor如：Hisdiaryisgoodexceptforafewspellingmistakes.12inwith：表示工具的“用”、within。如：Heiswritingaletterwithapen./HewrotetheletterinpencilWemeasureditinpounds./Readthetextinaloudvoice./TellmethestoryinEnglish.13、chargeofinthechargeof：inchargeofinthechargeof后面則跟照管的人。如：WhoisinchargeoftheprojectTheprojectisinthechargeofanengineer14as,likeas如：Letmespeaktoyouasafather.作“象……一樣”解如：Letmespeaktoyoulikeafather.(是父親)15、infrontofinthefrontfrontofbefore，是“在……前面”的意思(不在某物內)inthefrontof則是“在……前部”的意思(在某物內)如：Thereisadeskinfrontoftheblackboard./Theboysatinthefrontofthecar.16、in,into：into表示動向，不表示目的地或位置。如：Wewalkedintothepark.;in通常表示位置。Wewalkedinthepark;in和drop,fall,put,throw,break等終止性動詞連用時，也可以表示動向。如：Ihaveputthecoinin(into)mypocket.我把硬幣放進衣袋。【篇二】高三英語語法知識點總結虛擬語氣在一些特殊詞中的使用或含蓄條件句1.wish后的賓語從句。Iwi。hIwereyou.+hadIhadvisitedtheWhiteHousewhenIwasinthe與將來愿望不一致，用主語+would(could)+原形。2.It’stimelt’stine后用that該為主i+should+動詞原形或主語十過去時，例如：It，stimethatyouwenttoschoolIt’stimethatyoushouldgotoschooL3-Ifonly引起的感嘆句相當于“HowIwish+賓語從(l)Ifonlyhecouldcome.他要能來就好了。(2)IfonlyIhadknowntheanswer.我要早知道答案就好了。WOuldrather，asif(though)引導的從句也需使用的情況用過去時，例如：(l)I’dratheryoupostedtheletterright(2)Shelovesthechildrenasiftheywerehers.含蓄虛擬條件句含蓄條件句是指句中沒有明顯的虛if常用來表示含蓄虛擬條件的手段有：butcaseof,undermorefavorablecondition等。sothat,unless,incase,supposing,lest,providedfearthatorderthat,onconditionthat,ifonly(要是……就好了)等。注意：lest,forfearthatincaseshould+動詞原形，但也可以不用虛擬語氣，而用動詞的陳述語氣形式。例如：Theforeignteacherspokeslowlyincasewemisunderstoodhim說得很慢以免我們誤解。but,otherwise,unfortunately等類似轉折詞。without,but.butfor,otherwise常暗含著含蓄條件。例如：①Withoutyou,1wouldneverknowhim②Butforyouroooperation,wewouldn’thavedoneit③Butthatshewasafraid,shewouldhavesaidno..④iwouldbemostgladtohelpyou,butIambusynow.⑤Iwouldhavecometothepartyyesterday,butljwasworking.⑥Iambusynow,otherwiselwoulddoyouthefavor!【篇三】高三英語語法知識點總結現在完成時1Tomhasgoneout(go動作發生在過去，對現在有影響)2trainhasinthestationfortwohours;錯誤說法