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1、小学英语四种时态及相关练习:1).一般现在时态: 表示经常性或习惯性的动作。(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。构成:主语+谓语动词do/does,/be(am/is/are)/行为动词(或叫实义动词)+其他成分。 (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
2、动词(+其它)。如:WestudyEnglish.我们学习英语。Heusuallyhas(his)breakfastat7:00inthemorning. MarylikesChinese.(sometimes,often,usually,always用于一般现在时态中)句式:有四种句式(肯定式,否定式,一般疑问式、特殊疑问式)肯定句:主语+谓语动词do/does,/be(am/is/are)/行为动词(或叫实义动词)+其他成分。否定句:主语+be+not+其它。如:Heisnotaworker.他不是工人。主语+don't(doesn't)+动词原形(+其它)。如:
3、Idon'tlikebread.一般疑问句:Be+主语+其它。 如:-Areyouastudent? -Yes.Iam./No,I'mnot.Do(Does)+主语+实义动词原形+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.Iwouldlike 变为一般疑问句时,应改为Would youlike…?答语:Yes,please.(Yes
4、,I’dlike/loveto.) No,thanks.(No,thankyou.)特殊疑问句:特殊疑问词+一般疑问句。如:Whereismybike?Howdoesyourfathergotowork? Whattimedoyoucomehome?Whatwouldyoulike? Whatdoyouwant? Howmany/much/old…?动词第三人称单数的变化规则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,wa
5、tch-watches,go-goes,brush-brushes,3.以“辅音字母+y”结尾,变y为i,再加-es,如:study-studies,fly-flies练习:一、写出下列动词的第三人称单数 drink________go_______make________teach_______look_________have_______do_________shop________come________ watch______fly________ study________二、用括号内动词的适当形式填空。1.Heoften____(have)dinner
6、athome.2.DavidandTom_____(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________(
7、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)tos