小学英语一般现在时

Thesimplepresenttense一般现在时一般现在时表示经常发生的、习惯性的动作或存在的状态。定义与频率副词usually,often,sometimes,always和时间短语inthemorning/afternoon/evening,onSundays,every

day/week/year连用

用法构成1）当谓语是be动词时，一般现在时的构成：主语＋be动词＋其他如：Iamastudent.HeisJim’sfather. Iamastudent.Youare

anurse. Heisapoliceman.

Heisapostman.

Itisasnake.Itisalion.Theyareanimals.

IamCatherine.Heisapoliceman.Sheisanurse.Itisasnake.Weare

girls.Youareastudent.Youarestudents.They

arebeautifulgirls.一般现在时（否定句）在一般现在时中，句中有be动词或情态动词（can等）时，否定句在be动词和情态动词后加not。

例如一般现在时（否定句）1、Iamateacher.否：Iamnotateacher.2、Heisastudent.否：Heisnotastudent.3、Youareaboy.否：Youarenotaboy.4、Icanswim.否：Icannot（can’t)swim.变否定句Iamagoodboy.Iam

not

agoodboy.变否定句Theyarestudents.Theyarenotstudents.变否定句ShecanspeakEnglish.ShecannotspeakEnglish.IamJack.Weareboys.Youareateacher.HeisJerry.SheisLisa.ItisTom.Theyarebeautifulgirls.notnotnotnotnotnotnotExercise一般现在时（疑问句）

句中有be动词或情态动词时，be动词或情态动词can提前，首字母变为大写；some变any例如一般现在时（一般疑问句）

Heisastudent.Youareaboy.

Isheastudent？Areyou

aboy？Icanswim.They

areteachers.Canyouswim？Are

theyteacher？Benis

my

friend.

Is

Ben

yourfriend？变一般疑问句HeisChengLong.IamCatherine.WeareChinese.Youareastudent.SheisJudy.ItisTom.Theyarebeautifulgirls.Ishe

?Exercise单数可数名词或"this/that/the+单数可数名词"作主语时，是第三人称单数。①Apandaisashyanimal.

熊猫是害羞的动物。

②Thisbookisyellow.这本书是黄色的。

③Thatcarisred.那辆小汽车是红色的。

④Thecatisblack.这只猫是黑色的。2）当谓语是行为动词时，一般现在时的构成：①主语（非第三人称单数）＋动词原形＋其他如：IoftenwatchTVintheevening. MrGreenandMrsGreenlikecollectingstamps.②主语（第三人称单数）＋动词的第三人称单数形式＋其他如：NancyusuallyvisitsgoesshoppingonSundays.

BenstudiesEnglisheveryday.构成Whatdoyoudoeveryday?I

takeashowereveryday.Youtakeashowereveryday.Wetakeashowereveryday.Theytakeashowereveryday.SunnyandCici

takeashowereveryday.Thestudents

takeashowereveryday.

哪些主语是第三人称单数?

一、人称代词he,she,it是第三人称单数。

HelikeswatchingTV.他喜欢看电视。

Shehaslunchattwelve.她十二点吃午餐。Itlookslikeacat.它看起来像只猫。二、单个人名、地名或称呼作主语；是第三人称单数。

①HanMeilookslikehermother.

韩梅看起来像她的母亲

②BeijingisinChina.北京在中国。

③UncleWangoftenmakescakes.

王叔叔经常做蛋糕。Hetakesashowereveryday.Shetakesashowereveryday.Ittakesashowereveryday.Horribletakesashowereveryday.当主语是第三人称单数时，动词需变化.动词单三的变化：1、一般情况下，直接加s，如：reads,plays,works,makes2、以s,x,ch,sh结尾，后加es.如：

watches

washesteaches3、以辅音字母加o结尾,一般加es,如：does,goes4、“元音字母+y”结尾的单词，直接在词尾加-s。如：plays,says5、辅音字母+y结尾的单词,去y,加ies,如：flies,studies6、不规则变化如：have-hasExercise

sit________

swim________

go___

_do_______

make________

run________

write________see_

_____

cry________

study_________

watch_______

wash_______

say_______

play_______

have______take_______

sitsswimsgoesdoesmakesrunswritescries_seesstudieswatcheswashessays_playshas_takessits一般现在时（否定句）句中没有be动词或情态动词时，主语为第三人称单数的否定句在动词前加doesnot(doesn’t),非单三时，否定句在动词前加donot（don’t)

例如一般现在时（否定句）

1、Itoschoolbybus.否：Itoschoolbybus.2、He

toschoolbybus.否：He

toschoolbybus.godon’tgogoesdoesn’tgo变否定句IstudyEnglisheveryday.I

don’t

studyEnglisheverymorning.变否定句ShespeaksChinesewell.Shedoesn’tspeak

Chinesewell.Theytakeashowereveryday.don’tItakeashowereveryday.Youtakeashowereveryday.Wetakeashowereveryday.Theytakeashowereveryday.SunnyandCatherinetakeashowereveryday.Thestudentstakeashowereveryday.ExerciseHe

take

ashowereveryday.doesn’tsHetakesashowereveryday.Shetakesashowereveryday.Ittakesashowereveryday.Horribletakesashowereveryday.一般现在时（疑问句）句中没有be动词或情态动词时，主语为非第三人称单数，一般疑问句在句首加do，句子中动词用原形。主语为第三人称单数，一般疑问句在句首加does，句子中原有动词用原形；Some变any.例如一般现在时（一般疑问句）

1、Itoschoolbybus.疑问句：youtoschoolbybus.2、He

toschoolbybus.疑问句：he

toschoolbybus.DoesgogoesgogoDoWegotoschooleveryday.

Do

you

gotoschooleveryday?变一般疑问句Nancylikesplayingcomputergames.

Does

Nancy

like

playing

computer

games?变一般疑问句Benwantssomebread.

Does

Ben

want

any

bread？变一般疑问句Theytakeashowereveryday.Dothey?Itakeashowereveryday.Youtakeashowereveryday.Wetakeashowereveryday.Theytakeashowereveryday.SunnyandCatherinetakeashowereveryday.Thestudentstakeashowereveryday.Yes,theydo.No,theydon’t.ExerciseHetakeashowereveryday.Doeshe?Hetakesashowereveryday.Shetakesashowereveryday.Ittakesashowereveryday.Horribletakesashowereveryday.Yes,hedoes.No,hedoesn’t.s特殊疑问句

地点：where

人：who物：what

年龄：howold价钱：howmuch数量：howmany特殊疑问句有be动词或情态动词构成：疑问词+be动词或情态动词+主语+其它例如特殊疑问句She

can

play

piano.What

can

sheplay？He

is

ten.Howold

is

he？Heis

athome.Where

ishe？It’s

3dollars.Howmuch

isit?特殊疑问句没有be动词或情态动词构成：疑问词+do（does）+主语+动词原形+其它例如特殊疑问句：疑问词+一般疑问句？Ilikeplayingfootball.Jimeatssomebreadeverymorning.Linglinghaslunch

athome.Whatdoyoulike?WhatdoesJimeateverymorning?WheredoesLinginghavelunch？Doyoulikeplayingfootball?DoesJimeatanybreadeverymorning?DoesLinglinghave

lunch

athome?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_______(