初中英语八大时态语态总复习时态讲解MiddleSchoolXXX:PresentSimpleXXXThepresentsimpletenseisusedtoXXX。XXX。orXXX。Itisoftenusedwithadverbsoffrequencysuchassometimes。often。usually。andalways。TimeXXX。everyday/week/month/year。atnoon/night。onMonday/Tuesday。etc。canalsobeusedwiththepresentsimpletense。Forexample:Bruceusuallywalkstoschool.WehavetwoP.Eclasseseveryweek.ThepresentsimpletensecanalsobeusedtoXXX:Sheisalwaysreadytohelpothers.Heis13yearsold.Itcanalsobeusedtoexpressfacts。objectivetruths。orXXX:Thesunrisesintheeastandsetsinthewesteveryday.Whenthereisawill。thereisaway.XXXbasicXXX:1)Affirmativesentence:Subject+verb(baseform)+othersSubject(thirdpersonsingular)+verb-s+othersForexample:TheyliveinChina.XXX.2)Negativesentence:Subject+don't+verb(baseform)+othersSubject(thirdpersonsingular)+doesn't+verb(baseform)+othersForexample:Theydon'tliveinChina.XXX.3)Interrogativesentence:Do+subject+verb(baseform)+others?Does+subject(thirdpersonsingular)+verb(baseform)+others?Forexample:DotheyliveinChina?Doeshelikeeatingapples?当主语是第三人称单数时，谓语动词要用第三人称的单数形式。谓语动词的第三人称单数形式的变化规则如下：1）一般在动词后直接加s。如：talk–talks。live–lives。2）以s,x。ch,sh或o结尾的动词在其后加es。如：watch–watches,wash–washes。go–goes。3）以辅音字母加y结尾的动词，把y变成i再加es。如：carry–carries,fly–flies。4）特殊的，如：have的第三人称单数为has。1.BoboftenhelpshismotherwiththeXXX.2.—Whatdidtheteachersayjustnow?Hesaidthattheearthgoesroundthesun.（福州）1．IwillwritetoyouassoonasIgettoLondon.2.XXXanyfoodthismorning.3.Hedidnotseemecomein。forhewasreadingsomethingwithgreatinterest.9.Whatwasyourmotherdoingateightyesterdayevening。XXX.15.Willyoucomeifhedoesn'tcome?Idon'tknowifMr。WangisgoingtoShanghaitomorrow。Ifhegoes。Iwillaskhimtotakesomebookstomydaughter。becausesheisstudyingthere.III。单项选择：1.ThestudentswillgototheSummerPalaceifXXX(B)2.ThereisgoingtobeanEnglishfilmnextweek。(C)5.XXX(B)6.WeshallgotoShanghaionbusinessbeforeyoucomebacknextweek。(D)7.Don'tXXX(A)8.Isawherentertheroomthismorning。(C