四年级英语语法一般现在时 3页

一般现在时   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。   　　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.   　　特殊疑问句：疑问词+一般疑问句。如：Howdoesyourfathergotowork?   动词+s的变化规则   1．一般情况下，直接加-s，如：cook-cooks,milk-milks   2．以s.x.sh.ch.o结尾，加-es，如：guess-guesses,wash-washes,watch-watches,go-goes   3．以“辅音字母+y”结尾，变y为i,再加-es，如：study-studies   一般现在时用法专练:   一、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)   ___________________________________________________   五、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._________________