一般现在时语法.doc

一般现在时

一般现在时的定义:
表示现在经常性、习惯性、规律性的动作或者现在存在的状态的一种时态。

二、一般现在时的用法
分类例句1）表示现在经常性、习惯性、规律性的动作Igetupatsixo’clockeveryday.
Igotoschoolat7:00everymorning.
Ioftengotoschoolbybike.2）表示主语现在的特征或状态Iamateacher./Youareastudent./Heisapoliceman./
Sheisadoctor./Iamhappy./Wearefamily./
Maryis12yearsold.3）表示一般性事实、客观真理或格言Theearthmovesaroundthesun.
Lighttravelsfasterthansound
Thesunisbiggerthantheearth.
Failureisthemotherofsuccess.
Practisemakesperfect.4)表示按规定或时间表预计将要发生的动作WearegoingtoShanghai,andourplanetakesoffat8:00.5)当主句为一般将来时态时，在if,assoonas,until,when等引导的状语从句中用一般现在时代替一般将来时。（主将从现）Ifitdoesn'trainthisafternoon,we'llhaveafootballmatch.
Wewillstartassoonasyouareready.当一般现在时表示现在经常性、习惯性的动作时常连用的时间状语：
1）表示频度的副词：always,often,usually,sometimes
2）onSundays,onMondayafternoons,everyday/week/month/year等时间状语
3）onceayear,twiceamonth,threetimesaweek等表示频度的词组

三、一般现在时的构成
1)谓语动词为be(am,is,are)（主语+be+其他）
Iamateacher.Youareastudent.He/Sheisadoctor.
谓语动词为实义动词（主语+do/does+其他）
IlikeEnglish.(Chinese,Math,Science,History,Geography,Physics,Chemistry,Sociology)
MikelikesEnglish.(Chinese,Math,Science,History,Geography,Physics,Chemistry,Sociology)
MikespeaksgoodEnglish.
Igotoschoolonfoot(byschoolbus,bybus,bybike).
Lilygoestoschoolonfoot(byschoolbus,bybus,bybike).
TonyoftenwatchesTVintheevening.
Jackalwayswashesincoldwater.
MikestudiesEnglish,Chinese,Mathatschool.
Sonahasmusicaltalent.
动词第三人称单数变化规则
▲第三人称单数：he/she/it;可数名词单数；不可数名词.
（口诀:不是你不是我，并且只有一个）
规则动词原形动词第三人称单数形式例句一般情况加-slike
enjoylikes
enjoysLisalikeswalkingdownthestreetandenjoysthesunshine.以__s,_x,_ch,_sh,_o___结尾的动词后加-espass
wash
watch
fix
gopasses
washes
watches
fixes
goesHealwayswashesincoldwater.
TonyoftenwatchesTVintheevening.
Lilygoestoschoolonfooteveryday.以辅音字母加y结尾的动词，去y加-iesstudy
crystudies
criesShestudiesChineseforleaningmorecultureofChina.
MikestudiesEnglish,Chinese,Mathatschool.
Don’ttakeanynoticeforNina,shealwayscriesfornothing.特殊形式havehasSonahasmusicaltalent.句型转换
谓语动词为be动词
否定：主语+be+not+其他
一般疑问句：be+主语+其他（即将be提到句首）
含be动词的一般现在时肯定句（我用am，你用are，is连着他她