用法1.表現(xiàn)在的狀態(tài)、能力、性格及特征.I’mamiddleschoolstudent.Heplaysbasketballverywell.2.表示經(jīng)常性或習(xí)慣性的動作。They

go

to

schoolonfooteveryday.3.表示客觀事實或普遍真理.Thelighttravelsfasterthanthesound.4.在時間、條件、方式及讓步狀語從句中表將來.Ifyoucome,wewillwaitforyou.Whenhegetshere,theworkwillbefinished.5.表計劃或安排好要發(fā)生的動作.Schoolstartstomorrow.一般現(xiàn)在時的構(gòu)成1、主語+be動詞(

am,is,are)+其他2、主語+V原形（do)+其他3、主語+Vs\es(does)+其他指示一般現(xiàn)在時的時間短語1.頻度副詞:always(總是),usually(通常),often,sometimes(有時),seldom,never(決不)2.時間副詞：everyday/night/week/month/year,3.onSunday…三單動詞變化規(guī)律1、一般動詞，在詞尾加s;如：work--works,live--lives,play--plays,sing--sings.2、以o,s,x,ch,sh結(jié)尾的動詞詞尾加-esgo-----goesdo----doesfix---fixes3.以輔音字母加Y結(jié)尾的詞，把Y變I在加esstudy-----studies,fly---flies4.特殊情況：have----hasbe動詞的一般現(xiàn)在時的句式：肯定句：主語+be+表語(n.,adj.等)

e.g.Heisaworker.

否定句：主語+be+not+表語

e.g.Heisn’taworker.一般疑問句：Be+主語+表語?

e.g.Isheaworker?Yes,heis./No,heisn’t.特殊疑問句：疑問詞+be+主語?e.g.Whatishe?實義動詞（第一人稱、二人稱、三人稱復(fù)數(shù)）的一般現(xiàn)在時句式肯定句:主語（I/We/You/They）+v.+其他Eg.Idomyhomeworkathomeeveryevening.否定句：主語（I/We/You/They）+do+not+v.+其他e.g.Idon’tdomyhomeworkathomeeveryevening..一般疑問句:Do+主語（I/we/you/they）+v.+其他

Doyoudoyourhomeworkathomeeveryevening?回答:Yes,主語+

do.

/

No,主語+

don’t.

Yes,Ido./No,Idon’t.實義動詞（第三人稱單數(shù)）的一般現(xiàn)在時句式

肯定句：主語（He/She/It）+v-s/es+其他e.g.Hedoeshishomeworkathomeeveryevening.否定句：主語（He/She/It）+does+not+v.+其他e.g.Hedoesn’tdohishomeworkathomeeveryevening一般疑問句：Does+主語（he/she/it）+V.+其他？e.g.Doeshedohishomeworkathomeeveryevening?Yes,hedoes./No,hedoesn’t.1._____youhaveabook?

ADo

B.Are

C.Is

D.Have

2.DoesLiLeiliketowatchTV?______________.

A.Yes,helike.

B.No,hedoesn’t

.C.Yes,he’dlike.

D.No,helikes.

3.Shedoesn’t______herhomeworkintheafternoon.

A.doing

B.todo

C.does

D.do

4.How____Mr.Smith______toEngland?

A.do,go

B.is,go

C.does,go

D.does,goes5.ThestudentswillgototheSummerPalaceifit_____tomorrow.

A.don'trainB.doesn'trainC.won'trainD.isn’train6.Thepicture_______nice.

A.looksB.islookedC.lo