一般现在时(精讲)78493ppt课件

1、.,一般现在时Bonnie,.,Ialwaysgetupatsixinthemorning.Tonyleaveshomeforschoolat7:00everymorning.定义一：1.表示经常的或习惯性的动作，常与表示频率的时间状语连用。,.,Theearthmovesaroundthesun.ZhengzhouliesinthemiddleofChina.Pridegoesbeforeafall.定义二：陈述客观真理，客观存在，科学事实。,.,Idontwantsomuch.我不想要太多。WangAnwritesgoodEnglishbutdoesntspeakwell.王安英语写得很好

2、但是说的不好定义三：描述主语的状态、性质、特征、能力等，目的是为了“描述现阶段的动作或者状态。,.,基本结构一、系动词be的一般现在时二、情态动词的一般现在时三、实义（行为）动词的一般现在时,.,一、系动词be的一般现在时主语+be(am,is,are)+其他Thegirlismyfriend.主语为单数时is主语为复数时are主语为“I”时am二：情态动词的一般现在时主语+情态动词+动词原形+其他ShecanspeakEnglish.注意：情态动词后的动词一定要用原形,基本结构,.,三：行为动词的一般现在时主语+行为动词+其他Theseboyslikeplayingfootball.Theg

3、irlreadsEnglisheverymorning.注意：当主语为第三人称单数时，行为动词要变成动词单数形式,基本结构,.,动词变单三规则,1.一般情况下，直接加-s，如：cook-cooks2.以s.x.sh.ch.o结尾,加-es,如：guess-guesses,watch-watches3.以“辅音字母+y结尾，变y为i，再加-es,如：study-studies4.不规则变化have-hasam/are-is,.,练一练,用be动词适当形式填空1.KittyanEnglishgirl.2.Westudents.3.IfromTaizhou.4.Shetall.5.LucyandLi

4、lygoodfriends.6.Thosechairsbroken.7.Thebagmine.,is,are,am,is,are,are,is,.,练练手,1.Jordan_(play)basketball.He_(notplay)football.2.I_(go)swimmingonSunday.ButI_(notgo)shopping.3.Mycousins_(enjoy)computergames.Butthey_(notenjoy)ballgames.4.You_(like)fish.Buthe_(notlike)fish.,plays,doesntplay,go,dontgo,enj

5、oy,dontenjoy,like,doesntlike,12,.,时间状语,every系列,dayyearmonthweekmorningafternoonevening,.,时间状语,never,频率副词,频率由高到低）alwaysusuallyoftensometimesSeldomnever通常说来，always表示100%，usually表示80%，often表示60%，sometimes表示40%，seldom表示20%，never表示0%。,.,时间状语,一次once两次twice三次threetimes一周两次twiceaweek每周四次fourtimesaweek每周六onS

6、aturdays每周日onSundays现在now时不时fromtimetotime,.,否定句主语+be+其他主语+be+not+其他有be否be,有情否情,无情无be否助动(do/does）isnot=isntamnot=mnotarenot=arent主语+情态动词+not+动词原形+其他cannot=cantcouldnot=couldntmustnot=mustntwouldnot=wouldntwillnot=wontshouldnot=shouldnt,句型变换,.,否定句主语+实义动词+其他主语+助动词（do/does）+not+行为动词原形+其他Theseboyslikepl

7、ayingfootball.Theseboysdont（donot）likeplayingfootball.ThegirlreadsEnglisheverymorning.Thegirldoesnt（doesnot）readEnglisheverymorning.,句型变换,.,练练手,1.Kitty(benot)anEnglishgirl.2.We(benot)students.3.I(benot)fromTaizhou.4.She(benot)tall.5.LucyandLily（benot）goodfriends.6.She_(cannotspeak)English.7.They_(sh

8、ouldnotbe)right.,isnt,arent,amnot,isnt,arent,cantspeak,shouldntbe,.,一般疑问句及肯定否定回答有be提be,有情提情,无情无be找兄弟(do/does),借了兄弟把动词打回原形主语+be+其他Be+主语+其他?肯否回答：Yes，主语+be./No，主语+be+not.Iamanursenow.AreyouanurseYes,Iam./No,Iamnot.主语+情态动词+动词原形+其他情态动词+主语+动词原形+其他?肯否回答：Yes，主语+情态动词./No，主语+情态动词+not.BonniecanspeakFrench.CanB

9、onniespeakFrench.Yes,shecan./No,shecannot(cant).,句型变换,.,一般疑问句及肯定否定回答主语+be+其他Be+主语+其他?肯否回答：Yes，主语+be./No，主语+be+not.主语+情态动词+动词原形+其他情态动词+主语+动词原形+其他?肯否回答：Yes，主语+情态动词./No，主语+情态动词+not.主语+行为动词+其他助动词（do/does）+主语+动词原形+其它？肯否回答：Yes,主语+do/does./No,主语+donot/doesnot.助动词也常用缩写形式，主要有dont，doesnt,句型变换,.,练练手之句型转换,1.Mr.

10、GreencomesfromShanghai.(改为一般疑问句)2.MillielivesinaflatinBeijing.(改为否定句)3.Danielenjoysplayingcomputergames.(改为一般疑问句并做肯定回答),DoesMr.GreencomefromShanghai?,MilliedoesntliveinaflatinBeijing.,DoesDanielenjoyplayingcomputergames?Yes,hedoes.,.,练练手之用动词的适当形式填空,Myfather_(listen)totheradioeveryday.Mike_(study)ina

11、middleschool.She_(take)Eddieforawalkaftersupper.He_(wash)clotheswithhishands.Simon_(pass)theballtoDaniel.MissLi_(teach)Chinese.Lookattheanimal,it_fourlegs.,listens,takes,studies,washes,passes,teaches,has,8,.,注意：some、any,Whynotbuysomeapples?为什么不买些苹果呢?Wouldyoulikesomemoreapples?你要不要再吃点苹果?注意：在表示建议或希望得到肯定回答时，some可用于疑问句，不用变成any.,.,注意：some、any,Whynotbuysomeapples?为什么不买些苹果呢?Wouldyoulikesomemoreapples?你要不要再吃点苹果?注意：在表示建议或希望得到肯定回答时，some可用于疑问句，不用变成any.,.,注意：andor,变否定句时，and要变成orThereissomeairandwateronthemoon.T