初中一般现在时与三单动词的变化规则

一般现在时1.概念：经常、反复发生的动作或行为及现在的某种状况。

2.时间状语：always,usually,often,sometimes,everyweek(day,year,month…),onceaweek,onSundays,

3.基本结构：动词原形/第三人称单数形式（如主语为第三人称单数，动词上要改为第三人称单数形式）

4.否定形式：am/is/are+not;谓语动词若为动词，则在其前加don't,如主语为第三人称单数，则用doesn't，同时还原行为动词。

5.一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。三单动词的变化规则1．一般情况下，直接加-s如：play—plays，

want—wants，

work—works，

know—knows，

help—helps，get—gets2．以s.x.sh.ch.o结尾，加-es如：guess—guesses，

fix—fixes，

teach—teaches，

brush—brushes，

go—goes，do—does，watch—watches，catch—catches

3．以“辅音字母+y”结尾，变y为i,再加-es如：study—studies，carry—carries，fly—flies，worry—worries

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_______catch_________wash_________like________have______say_________learn________eat________read_________sing_______二、用括号内动词的适当形式填空。（一）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.12.Jack,togetherwithhisfriends,(go)toparkeveryweek.

13.Nick(have)lunchatschoolfromMondaytoFriday.

14.There(be)sevendaysinaweek.

15.Thestudentsinourschool(like)English.三、选择填空：()1.I________toschoolat7:00inthemorning.A.goB.goingC.goes()2.They_______bookseverydayinthelibrary.A.readsB.readC.reading()3.Themonkey________eatingbananasverymuch.A.likeB.likesC.liking()4.Myfather________toreadnewspaperaftersuppereveryday.A.likeB.likesC.liking()5.IlikewatchingTV,butmymother_________likeit.A.don’tB.doesn’tC.does()6.____________yourfatherdrinkmilkeveryday?A.doB.areC.does（)7.Oneoftheboys_____ablackhat.A.haveB.thereisC.thereareD.has（)8.Wewillgoshoppingifit____tomorrow.A.don'trainB.didn'trainC.doesn'trainD.isn'train（)9.WangMei____musicandoften____tomusic.Alike;listenBlikes;listensClike;arelisteningDliking;listen（）10.Jenny____Englisheveryevening.AhasstudyBstudiesCstudyDstudied四、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?