学习必备欢迎下载一般现在时讲解及练习题一般现在时①表示现在的状态，如：Sheisten.Kateisintheclassroom.②表示经常发生或习惯性的动作或状态，如:Weoftencalltoeachother.我们时常相互通信。③表示主语现在的性格、特征、能力，如：IlikeEnglish.WecanspeakEnglish.I.当谓语动词是be时谓语动词be包括am,is,are.其用法是:我(I)用am;你(you)用are;is用于他(him)她(her)它(it);复数人称都用are.主要句式：1.肯定句式主语＋be(am,are,is)＋其他。2.否定句式主语＋be(am,are,is)＋not＋其他。3.一般疑问句将提前be(am,are,is),即:Be(am,are,is)＋主语＋其他？肯定回答Yes,主语（必须是代词）＋be（am,are,is）否定回答No,主语（必须是代词）＋be(am,are,is)＋not（必须用缩写形式isn't/aren't）闯关练习I.用be的适当形式填空学习必备欢迎下载1.---How____you?---I____fine.2.I___David,andmyfamilyname___Green.3.---Whatcolor___yourclock?---It___white.4.---What___thisinEnglish?---It___anapple.5.Toy___mybrother.David____mybrother,too.They___mybrothers.6.Look!These____appletrees.7.We____goodstudentsandyou____goodteacher.8.Mysisterandmybrother_____students.9.Fiveandthree____eight.10.____yourcardnumber5578?11.Where_____yourpencils?12.Thesesweaters______fiftydollars.13.Howmuch____hisjacket?14.Mybrother’sbirthday____December11th.15.When_____Kate’sbirthday?II.将下面的句子变成一般疑问句并作出回答1.Thatismyfootball.2.Thosearehisbooks.3.JimandTomaregoodfriends.4.MybirthdayisNovember1st.学习必备欢迎下载5.Hissonistwelveyearsold.III.将下面的句子变成否定句1.Hiscardisonthetable.2.Thereissomewaterinthebottle.3.BobandTonyareourfriends.4.Therearethirty-fivestudentsintheclassroom.5.Thegirlishissister.II.当谓语动词是实义动词时1.当主语是第一人称(I\we);第二人称(you)及复数时主要句式：(1)肯定句主语＋实义动词＋其他(2)否定句主语＋don’t＋实义动词＋其他(3)一般疑问句Do＋主语＋实义动词＋其他肯定回答：Yes,主语（必须是人称代词）＋do.否定回答：No,主语（必须是人称代词）＋don’t.2.当主语是第三人称单数he,she,it及单数的名词时，主要句式：(1)肯定句：主语＋实义动词的第三人称单数形式＋其他(2)否定句：主语＋doesn’t＋实义动词的原形＋其他学习必备欢迎下载(3)一般疑问句Does＋主语＋实义动词的原形＋其他肯定回答：Yes,主语（必须是人称代词）＋does否定回答：No,主语（必须是人称代词）＋doesn’t动词第三人称单数形式变化规则：特殊变化have----has一、一般情况加s，例如：looks,likes,wants,plays,二、以ch,sh,s,x或o结尾的词，加-es，例如：teaches,washes,guesses,goes,does三、辅音字母+y结尾，变y为i加-es，例如：carry→carries,study→studies闯关练习I..将下面的句子变成一般疑问句并作出回答1.Ihaveabaseball.2.Merialikesapplesverymuch.3.HeplaysPing-pangeveryday.4.WewatchTVintheevening.5.MrWangoftenbuyslotsofthings.6.JaneandMarygotoschoolat7:30.II.将下面的句子变成否定句1.Ineedabagforsport.2.Hewantstogotoamovie.3.SheoftengoestoseeBeijingOpera.学习必备欢迎下载4.Thegirlhasaneggforbreakfast.5.Weplaybasketballeveryday.6.Myteacherknowsmyname.7.Itsoundsveryinteresting.IV.用所给词的适当形式填空1．____hersister______(have)atennisracket?2._____yourfriend______(like)basketball?3.We_____(play)footballeveryday.4.It_____(sound)verywell.5.Jim_____(want)anorange.7.Mymother______(watch)TVintheevening.8.____you_____(like)English?9.MikeandLiLei_______(notlike)eggs.10.Whatcolor_____yoursister______(like)?11.She______(know)alittleEnglish.改写句子1.Doyouoftenplayfootballafterschool?(肯定回答)2.Ihavemanybooks.（改为否定句）3.GaoShan’ssisterlikesplayingtabletennis（改为否定句）学习必备欢迎下载4.ShelivesinasmalltownnearNewYork.（改为一般疑问句）5.IwatchTVeveryday.（改为一般疑问句）6.Davidhasagoal.（改为一般疑问句）7.Wehavefourlessons.（否定句）8.Nancydoesn’trunfast（肯定句）9.Mydogrunsfast.否定句：10.Mikehastwolettersforhim.一般疑问句：IusuallyplayfootballonFridayafternoon.一般疑问句：
