语法5演示文稿1.ppt [自动保存的].ppt

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1、ReviewOfTenses动词的时态不同时间发生的动作在英语中要用动词的不同的形式来对应表达。这种不同的变化形式就叫做时态。英语中有16种时态，我们要掌握常见的8种时态。Iworkeveryday.Heoftenplayscomputergames小结：一般现在时：1.一般现在时常与always,usually,often,sometimes,everyday,inthemorning等连用2.一般现在时要注意人称与动词的变化。即当人称是I;we;they;you；动词用________.当人称是she,he；动词用__________.原形第三人称单数Theyare

2、listeningtomusic.sheiscleaningtheroom.小结;现在进行时：1.构成：由_____,______,_______+_________2.现在进行时常与now,today等词连用。3.常与look,listen等动词连用。amisare动词的现在分词Hesawafilmyesterday.Youreadabooklastnight.小结一般过去时常与表示过去的时间连用。如_________,_______等。要注意动词的过去式。分_______和_____变化.Yesterday,lastnight规则不规则buy---come—eat—

3、fall—awake—go—hear—leave---do—drive—hold—get—break—give—bring—fly—have—keep—know—meet—pay—sell-sit—sleep—spend—swim—throw—write—stand—teach--boughtcameatefellawokewentheardleftdiddroveheldgotbrokegavebroughtflewhadkeptknewmetpaidsoldsatsleptspentswamthrewwroteIwasworkingat6inthemorning.T

4、heywereplayingbasketballatthattime.小结过去进行时1.表示过去某一时间正在进行的动作。2.由“主语+was/were+doing”构成3.常与过去的具体时间连用：at6intheevening,at8lastnight，at5yesterday,atthattime等。4.与when,while连用。Iwaswalkingwhensomeonecalledme.hewasreadingwhilehisfatherwaswatchingTV.TheywillgotoBeijingtomorrowmorning.Sheisgoingtore

5、adthebooknextyear.1.表示一个将要发生的动作或状态。2.常与表示将来的时间状语连用,如:tomorrow，nextyear等将来的时间连用。3.构成：will/shall+动词原形；begoingto+动词原形小结Wehavealreadyseenthefilm.Shehasn’treadthebookyet.1.过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。2.常与：recently,already,just,yet等连用。3.常与since…，for…，in the past few years等连用.I

6、haveworkedforanhour.Ithas beenfive yearssincehejoinedthe army4.基本结构：have/has + done5.否定形式：have/has + not +done小结Theyhad already had breakfastbefore they gothereHe told me that hehad writtena new book.过去完成时1.过去完成时表示“过去的过去”。如：When I woke up, it had stopped raining.2.构成had+动词的过去分词动词的过去分词：有规

7、则和不规则变化see—say—put—write—run—swim—win—take—speak—stand—tell—throw—wake—sleep---spread—teach—think—steal—sing—lead—cut—build—catch—draw—fall—begin—saw—seensaid—saidput—putwrote—writtenran—runswam—swumwon—wontook-takenspoke—spokenstood—stoodtold—toldthrew—thrownwoke--wokens