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..一般现在时基本用法介绍【No.1】一般现在时的功能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。如：Igetupatsixeveryday.我每天六点起床。3.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。动词第三人称变化规律：动词+s的变化规则1．一般情况下，直接加-s，如：cook-cooks,milk-milks2．以s.x.sh.ch.o结尾，加-es，如：guess-guesses,wash-washes,watch-watches,go-goes3．以“辅音字母+y”结尾，变y为i,再加-es，如：study-studies（1）一般情况，直接加。（2）以结尾的单词，加。（3）以结尾的单词，去，加。一、写出下列动词的第三人称单数drink________make________come________plant_______..stay________look_________pass_______二、watch______brush________teach_______do_________go______三、fly________study_______四、have_______【No.2】一般现在时的变化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.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.【No.3】特殊疑问句：疑问词+一般疑问句。如：Howdoesyourfathergotowork?一、肯定句改否定句的方法——一步法1、在be动词后加not。如：isnot，arenot，amnot，wasnot，werenot；2、在can，should，will等后加not。如：cannot，shouldnot，willnot；3、上述都没有的，在动词前加助动词否定形式don’t/doesn’t/didn’t。..4、some改成any。二、肯定句改一般疑问句的方法——三步法1、把be动词放在句首，剩下的照抄，（some改成any，my改成your等）句点改成问号。2、把can，shall，will等放到句首，剩下的照抄，（some改成any，my改成your等）句点改成问号。3、上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some改成any，my改成your等）句点改成问号。三、肯定句改特殊疑问句的方法——四步法1、在一般疑问句的基础上，句首添加一个疑问词即可，可根据划线部分确定是什么疑问词。2、接着找be动词或can，shall，will等放在疑问词后面，若没有则请助动词do/does/did帮忙，写在疑问词后面，howmany除外，必须先写物品，再写be动词等。3、划线部分去掉后剩下的内容照抄，（some改成any，my改成your等）4、句点改成问号。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.(改为一般疑问句，作肯定回答)___________________..________4.Amylikesplayingcomputergames.(改为一般疑问句，作否定回答)___________________________________________________5.Wegotoschooleverymorning.(改为否定句)_______________________________________________________6.HespeaksEnglishverywell.(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.SimonandDaniellikegoingskating.(改为否定句)___________________________________________________四、改错(划出错误的地方，将正确的写在横线上)IsyourbrotherspeakEnglish?__________________2.Doeshelikesgoingfishing?__________________3.Helikesplaygamesafterclass.__________________4.Mr.WuteachsusEnglish.__________________5.Shedon’tdoherhomeworkonSundays._________________....一般现在时用法专练:五、写出下列动词的第三人称单数drink________go_______stay________make________look_________have_______pass_______carry____come________watch______plant_______fly________study_______brush________do_________teach_______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?7._______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.(改为一般疑问句，作肯定回答)___________________________4.Amylikesplayingcomputergames.(改为一般疑问句，作否定回答)___________________________________________________5.Wegotoschooleverymorning.(改为否定..句)_______________________________________________________6.HespeaksEnglishverywell.(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.SimonandDaniellikegoingskating.(改为否定句)___________________________________________________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._________________..习题参考答案一、写出下列动词的第三人称单数drinksgoesstaysmakeslookshaspasse