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1、BondEnglish07s.h.09动词与时态（一）NameScoreIbelieveIcandoitbest!我相信我可以做到最好!一般现在时一般现在时表示现在的一段时间内经常发生的动作、存在的状态。例：HeoftenhelpsmewithmyEnglish.Ilikeswimmingverymuch.Sheisintheteachers’officenow.HisbrotherreadsEnglisheverymorning.(一)一般现在时的构成谓语动词的人称变化：当主语是第一人称、第二人称或第三人称复数
2、形式时，谓语动词要用动词原形。当主语是第三人称单数形式时，谓语动词用第三单数形式，即动词词尾要加-s或-es。例：Wehavefourclassesinthemorningeveryday.Theymakeprogresseveryday.Shelikessingingverymuch.动词的第三人称单数形式变化可分为规则变化和不规则变化两种情况。1．规则变化①一般直接在动词词尾加-s。例：ask→asks/work→works/get→gets/stay→stays②以字母s,x,ch,sh或o结尾的动词，在词
3、尾直接加-es。例：watch→watches/wish→wishes/fix→fixes/do→does/go→goes/pass→passes③以辅音字母加-y结尾的动词，要先变y变i再加-es。例：try→tries/study→studies/cry→cries/fly→fliesistheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"
4、SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculturePersistenceissuccess.5坚持就是胜利BondEnglish07s.h.092．不规则变化例：be→ishave→has（二）一般现在时的句式转换1．当句子中有be动词（am,is,are）或情态助动词时，则把be动词或情态
5、动词提到主语的前面变成疑问句，在be动词或情态动词后加not变成否定句。例：Sheisastudent→Issheastudent?→Sheisn’tastudent.Icanswim.→Canyouswim?→Ican’tswim.2．当句子中既没有be动词，也没有情态动词时，则在主语前加助动词do/does变成问句，在主语后谓语动词前加助动词do/doesnot变成否定句，助动词后的谓语动词要变成动词原形。例：Wegetupat7:00everymorning.→Doyougetupat7:00everymo
6、rning?→Wedon’tgetupat7:00everymorning?Shehasalittlebrother.→Doesshehavealittlebrother?→Shedoesn’thavealittlebrother.（三）一般现在时的用法1．表示经常性、习惯性或永久性的动作或存在的状态，通常与副词sometimes,often,usually,always,everyday(year,month),once,twice,threetimesaday(week,month,year)等表示频度的时间
7、状语连用。例：Theyusuallygotoschoolbybike.istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinist
8、ryofcultureandIslamicculturePersistenceissuccess.5坚持就是胜利BondEnglish07s.h.09Itakethemedicinethreetimesaday.Igettoschoolat7:05everymorning.Shetelephonesherparentsonceaweek.Mary’sfatherisapo
