一般现在时和一般过去时

1一般现在时【No.1】一般现在时的定义1.表示事物或人物的特征、状态。如：Theskyisblue.天空是蓝色的。2.表示经常性或习惯性的动作。常和频度副词、频度短语。连用如：Igetupatsixeveryday.我每天六点起床。Always,usually,often,sometimes,never,everyday/week/month/Sunday3.表示客观现实。如：Theearthgoesaroundthesun.地球绕着太阳转。一般现在时的构成1.be动词：主语+be(am,is,are)+其它。如：Iamaboy.我是一个男孩。2.行为动词：主语+行为动词(+其它)。如：WestudyEnglish.我们学习英语。当主语为第三人称单数(he,she,it)时，要在动词后加-s或-es。如：MarylikesChinese.玛丽喜欢汉语。【No.2】一般现在时的句型变化1.be动词的变化。否定句：主语+be+not+其它。如：Heisnotaworker.他不是工人。一般疑问句：Be+主语+其它。如：-Areyouastudent?-Yes.Iam./No,I'mnot.注意：一般疑问句中this和that，回答用it代替，these/those用they代替Aretheseyourbooks?Yes,theyare.Isthatabasketball?No,itisn’t特殊疑问句：疑问词+一般疑问句。如：Whereismybike?2.行为动词的变化。否定句：主语+don't(doesn't)+动词原形(+其它)。如：Idon'tlikebread.当主语为第三人称单数时，要用doesn't构成否定句。如：Hedoesn'toftenplay.一般疑问句：Do(Does)+主语+动词原形+其它。如：-Doyouoftenplayfootball?-Yes,Ido./No,Idon't.当主语为第三人称单数时，要用does构成一般疑问句。如：-Doesshegotoworkbybike?-Yes,shedoes./No,shedoesn't.特殊疑问句：疑问词+一般疑问句。如：Howdoesyourfathergotowork?【No.3】动词+s的变化规则如：cook-cooks,milk-milks如：guess-guesses,wash-washes,watch-watches,go-goes如：study-studies一般现在时练习题一、写出下列动词的第三人称单数drink________go_______stay________make________look_________have_______pass_______carry____come________watch______teach_______fly________study_______brush________do_________二、用括号内动词的适当形式填空。1.Heoften________(have)dinnerathome.2.DanielandTommy_______(be)inClassOne.3.We_______(notwatch)TVonMonday.4.Nick_______(notgo)tothezooonSunday.5.______they________(like)theWorldCup?6.What_______theyoften_______(do)onSaturdays?27._______yourparents_______(read)newspaperseveryday?8.Thegirl______(teach)usEnglishonSundays.9.SheandI_____(take)awalktogethereveryevening.10.There________(be)somewaterinthebottle.11.Mike______(like)cooking.12.They____(have)thesamehobby.13.Myaunt____(look)afterherbabycarefully.14.Youalways_______(do)yourhomeworkwell.15.I______(be)ill.I’mstayinginbed.16.She______(go)toschoolfromMondaytoFriday.17.LiuTao______(do)notlikePE.18.Thechildoften_______(watch)TVintheevening.19.SuHaiandSuYang______(have)eightlessonsthisterm.20.－Whatday______(be)ittoday?－It’sSaturday三、按照要求改写句子1.DanielwatchesTVeveryevening.(改为否定句)______________________________________2.Idomyhomeworkeveryday.(改为一般疑问句，作否定回答)________________________________________________________3.Shelikesmilk.(改为否定句)__________________________4.Amylikesplayingcomputergames.(改为一般疑问句，作否定回答)___________________________________________________5.Wegotoschooleverymorning(对划线部分提问)_______________________________________________________6.TheyareAmericans.(改为否定句)___________________________________________________7.Iliketakingphotosinthepark.(对划线部分提问)________________________________________________________8.JohncomesfromCanada.(对划线部分提问)___________________________________________________9.Sheisalwaysagoodstudent.(改为一般疑问句，作否定回答)________________________________________________________10.Hegoestoschoolbybus.(对划线部分提问)___________________________________________________四、改错(划出错误的地方，将正确的写在横线上)1.IsyourbrotherspeakEnglish?__________________2.Doeshelikesgoingfishing?__________________3.Helikesplaygamesafterclass.__________________4.Mr.WuteachsusEnglish.__________________5.Shedon’tdoherhomeworkonSundays._________________3一般过去时A．结构①be动词（is，am,are）→was/were主语+谓语②实义动词→相应的动词过去式B.用法①表示过去的事实或状态。例：Hewasverybusyanhourago.他在过去的一小时非常忙碌。Iwaseightyearsoldlastyear.我去年8岁。②表示在过去某个时间内所作的事情，常和表示过去的时间状语连用。例：Sheboughtmanybooksyesterday.昨天她买了很多书。IplayedtabletenniswithmyfriendlastMonday.上周一我和一个朋友打了乒乓球。表示过去的时间状语，有：yesterday，lastweek,lastyear,twodaysago,...C.动词的过去式动词有规则动词和不规则动词之分。规则动词的过去式都是以-ed结尾，而不规则动词的过去式是没有规则。①一般情况下，在动词原形后直接加ed。如：wanted，played。②以不发音的字母e结尾的动词，直接加d。如：hoped，lived。③重读闭音节单词需双写最后一个辅音字母，再加ed。如：stopped,shipped。④以辅音字母+y结尾的动词变y为i，再加ed。如：studied，worried。⑤有些动词不符合上面的规则，需要特殊记忆一般过去时练习题一、句型转换1.Thechildrenplayedfootballinthepark.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________2.Thereweresixstudentsintheclassroom.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________3.Anndidherhomeworkyesterdayevening.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________4.LastweekIreadanEnglishbook.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________5.Mybrotherwasintheparkjustnow.否定句：__________________________________________4一般疑问句：________________________________________对划线部分提问：____________________________________二、写出下列动词的第三人称单数形式、过去式形式go______________enjoy______________buy______________eat______________get______________walk______________take______________dance______________write______________run______________swim______________find______________begin______________eat______________play______________study______________三、用所给词的适当形式填空。1.TomandMary___________(come)toChinalastmonth.2.Mike_________________(notgo)tobeduntil12o'clocklastnight.3.Mary__________(r