一般现在时动词第三人称单数变化规则

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一般现在时的规则

一般现在时的规则

一般现在时的规则1. 第三人称单数动词加-s或-es在一般现在时中,当主语是第三人称单数(he, she, it 或任何单个名词)时,动词要加上-s或-es。

例如:she runs(她跑步)、he eats (他吃饭)。

2.其他主语的动词不变形当主语是除第三人称单数以外的任何人称主语时,动词保持原始形式,不添加任何后缀。

例如:I run(我跑步)、you eat(你吃饭)。

3. 句子中存在助动词(do, does 与 did)在句子中存在助动词时,主要动词保持原始形式。

助动词根据主语的人称和数形式变化。

例如:He does not understand(他不理解)。

下面是一些常见的用法和例句:1.描述事实、习惯或规律例如:They always go to the movies on Friday nights.(他们总是在周五晚上去看电影。

)2.表示常态或普遍真理例如:The sun rises in the east.(太阳从东方升起。

)3.表示客观事实例如:Water boils at 100 degrees Celsius.(水在100摄氏度时沸腾。

)4.表示感觉、喜好或持有观点例如:I love watching movies.(我喜欢看电影。

5.时间状语词或频率副词的使用在一般现在时中,经常会使用时间状语词或频率副词,用来指定动作发生的时间或频率。

例如:She often goes to the gym after work.(她下班后经常去健身房。

)6.叙述正在进行的动作需要注意的是,在一些特定语境下,一般现在时也可能表示将来。

例如:The plane takes off at 8 AM tomorrow.(明天早上8点飞机起飞。

)总结一下,一般现在时用于描述经常性、习惯性、普遍性或真理性的行为、状态或事实。

在第三人称单数时,动词要加上-s或-es;其他主语的动词保持原始形式。

助动词的使用取决于句子结构。

初中一般现在时及三单动词的变化规则

初中一般现在时及三单动词的变化规则

初中一般现在时及三单动词的变化规则
一般现在时的构成:
肯定句:主语+动词原形+其他成分
否定句:主语 + do/does not + 动词原形 + 其他成分
疑问句:(特殊疑问词) + do/does + 主语 + 动词原形 + 其他成分三单动词的变化规则:
一般现在时第三人称单数的动词变化规则是在动词原形末尾加上 -s 或 -es。

大多数动词直接在原形后加-s:
例如:play → plays
study → studies
以 -sh, -ch, -s, -x, -o结尾的动词,在原形后加 -es:
例如:watch → watches
teach → teaches
miss → misses
fix → fixes
do → does
其他一些特殊情况:
以辅音字母+y结尾的动词,将y变为i,再加-es:
例如:fly → flies
study → studies
以元音字母+y结尾的动词,直接加-s:
例如:play → plays
enjoy → enjoys
以-o结尾的动词,大多数加-es:
例如:do → does
go → goes
但也有例外,像是have、go这些常用的动词变化为has和goes。

需要注意的是,不可数名词和第三人称单数主语时,一般现在时动词不变化,依然使用动词原形:
例如:Water boils at 100 degrees Celsius.
She sings beautifully.。

一般现在时动词三单变化规则

一般现在时动词三单变化规则

一般现在时动词三单变化规则
1. 对于大多数动词,第三人称单数加上-s或-es。

例如:play → plays, watch → watches。

2. 对于以s, sh, ch, x, z结尾的动词,第三人称单数在词尾加-es。

例如:pass → passes, brush → brushes。

3. 对于以辅音字母加y结尾的动词,将y变为i,再加上-es。

例如:fly → flies, study → studies。

4. 对于以元音字母加y结尾的动词,直接加上-s。

例如:play → plays, enjoy → enjoys。

5. 对于以辅音字母加o结尾的动词,通常在词尾加-es。

例如:do
→ does, go → goes。

但也有例外,如:go → goes。

6. 仅有少数几个动词在第三人称单数形式不变。

例如:have → has, do → does。

值得一提的是,对于be动词,第三人称单数形式是is。

例如:I am, he is。

英语动词第三人称单数变化规则

英语动词第三人称单数变化规则

英语动词第三人称单数变化规则一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,其规律为:规则原形第三人称单数形式 1、一般情况下,直接在动词词尾+s如:get take play gets takes plays2、以s, x, sh, ch, o结尾的动词,在词尾+ esguess fix finish teach go和do guesses fixes finishes teaches goes和does3、以辅音字母+ y 结尾的动词,先把y变为i,再加esstudy try fly carry worrystudies tries flies carries worries4、不规则动词(特殊情况)have behas is1、变否定句:含有动词第三人称单数形式的句子变否定句时,要在动词前面加上doesn’t 或does not,动词的第三人称单数形式要还原成原形:格式为doesn’t/does not + 动词原形,如:He goes to school at six in the morning. (变否定句) →He doesn't go to school at six in the morning.2、变一般疑问句:把含有动词第三人称单数形式的变成一般疑问句时,要借用助动词does,如:She goes home at five every day. →Does she go home at five every day? --- Yes, she does./No, she doesn’t.哪些主语是第三人称单数? 1、人称代词he, she, it;如:He likes watching TV. 他喜欢看电视。

She has lunch at twelve. 她十二点吃午餐。

It looks like a cat. 它看起来像只猫。

2、单个人名、地名或称呼作主语;是第三人称单数。

动词第三人称单数形式

动词第三人称单数形式
二.哪些主语是第三人称单数
1.人称代词he, she, it是第三人称单数.
He likes watching TV.他喜欢看电视.
She has lunch at twelve.他十二点吃午餐.
It looks like a cat.它看起来象只猫.
2.单个人名.地名或称呼作主语时,是第三人称单数形式.如:
四、改错(划出错误的地方,将正确的写在横线上)
1. Is your brother speak English? __________________
2. Does he likes going fishing? __________________
3. He likes play games after class. __________________
11. Mike _______(like) cooking.
12. They _______(have) the same hobby.
13. My aunt _______(look) after her baby carefully.
14. You always _______(do) your homework well.
Everyone is here.大家到齐了.
This is a pen.这是一支钢笔.
That is an eraser.那是一块橡皮.
5.不可数名词作主语时,为第三人称单数.如:
The milk is in the glass.牛奶在玻璃杯里.
The bread is very small.那块面包很小.
3.The juice(果汁)_________ (be) in the fridge(冰箱).

一般现在时的第三人称单数形式

一般现在时的第三人称单数形式

一般现在时的第三人称单数形式一般现在时是用来描述现实状态、惯性动作以及普遍真理的一种时态。

当主语是第三人称单数(he、she、it以及名词等)时,一般现在时的动词形式需做出相应的变化。

是用来描述现实状态、习惯性动作以及普遍真理的一种时态。

当主语是第三人称单数(he、she、it以及名词等)时,一般现在时的动词形式需做出相应的变化。

动词的一般变化规则在第三人称单数形式中,一般现在时的动词需要做出以下变化:1. 对于大多数动词,只需在原形动词的基础上加上"-s"或"-es"。

- 例如:he runs(他跑步),she eats(她吃饭),it sleeps(它睡觉)。

2. 对于以辅音字母+y结尾的动词,将"y"变为"i",再加上"-es"。

- 例如:he flies(他飞行),she tries(她尝试)。

3. 对于以"o"结尾的动词,需要在末尾加上"-es"。

- 例如:he goes(他去)。

4. 部分动词有其他特殊规则,需要单独考虑。

- 例如:do(he does)、have(he has)、go(he goes)等。

特殊规则动词的变化1. 动词"do"- he does(他做)2. 动词"have"- he has(他有)3. 动词"go"- he goes(他去)注意事项1. 动词在一般现在时的第三人称单数形式中不使用助动词"do"。

- 例如:he works(他工作),she reads(她阅读)。

2. 当主语为第三人称单数时,一般现在时的动词形式变化很小。

这就是一般现在时的第三人称单数形式的规则总结。

希望对您有所帮助!。

动词第三人称单数变化规则 笔记

动词第三人称单数变化规则 笔记

英语动词第三人称单数变化规则一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,改为一般疑问句1、先找be动词am, is, are, was, were或情态动词can, may ,must, would,should ,could .如果有这些词,直接把这些词放在句子最前面,some 改成any,句号改成问号!其余照抄;(如果主语是第一人称则变成第二人称)例句:She is always a good student. She can swim in the pool.-->Is she always a good student? -->Can she swim in the pool?Yes,she is. No,she isn’t. Yes, she can. No,she can’t.2、如果句子中没有be动词或者是情态动词,要在句子最前面加助动词do 、does 或者是did。

首先判断句子时态,如果句子是过去式,则要在句最前面加Did,后面动词用原型,some改成any,句号改成问号,其余照抄;(如果主语是第一人称则变成第二人称)如果句子不是过去式,则判断是否为第三人称单数,如果第三人称单数,要在句子最前面前加助动词Does,后面动词用原型,some 改成any,句号改成问号,其余部分照抄。

(如果主语是第一人称则变成第二人称)其他情况均要在句子最前面加助动词do,some改成any,句号改成问号,其它部分照抄.(如果主语是第一人称则变成第二人称)2、变一般疑问句:把含有动词第三人称单数形式的变成一般疑问句时,要借用助动词does,如:She goes home at five every day.→Does she go home at five every day?--- Yes, she does. No, she doesn’t.改为否定句1、先找be动词am, is, are, was, were或情态动词can, may ,must, would,should ,could .如果有这些词,直接在这些词的后面加not,some 改成any,其余照抄;2、如果句子中没有be动词或者是情态动词,要在动词前面加don’t 、doesn’t 或者是didn’t。

动词的三种变化规则

动词的三种变化规则

动词的三种变化规则1、第三人称单数一般现在时形(a)原形动词词尾+“-s”:help(帮助)→helpscome(来)→comes(b)原形动词词尾“ch,sh,o,s,x”+“-es”:teach(教)→teacheswash(洗)→washesgo(去)→goeskiss(吻)→kissesfix(安装)→fixes(c)原形动词词尾为“辅音字母+y”时,去“y”后加“-ies”,若是“元音字母+y”,只加“-s”:study(学习)→studiesplay(游戏)→plays注:本项规则的“第三人称单数”是指句子的主语。

例如:I go to school on a bicycle every day .You go to school on a bicycle every day.She goes to school on a bicycle every day.2、现在分词(也称“-ing”形)(a)原形动词词尾+“-ing”。

speak→sp eaking(说)study→studying(学习)go→going(去)(b)原形动词词尾为“-e”时,去“-e”后+“-ing”。

live→living(住)make→making(制造)(c)原形动词词尾为“-ie”时,先把“-ie”改为“-y”后+“-ing”。

lie→lying(卧,躺)die→dying(死)(d)原形动词词尾为“短元音+辅音字母”时,先双写词尾辅音字母后再+“-ing”。

plan→planning(计划)kid→kidding(开玩笑)get→getting(得到)stop→stopping(停止)put→putting(放置)shut→shutting(关闭)注:双音节动词若其词尾的词形如本项的情形,但重音落在第一音节者直接加“-ing”,若是visit →visiting(访问)begin →beginning(开始)(e)原形动词词尾为“元音+l,r”并为重读音节时,常重复词尾后再加“-ing”。

动词的三种变化规则

动词的三种变化规则

动词的三种变化规则1、第三人称单数一般现在时形(a)原形动词词尾+“-s”:help(帮助)→helpscome(来)→comes(b)原形动词词尾“ch,sh,o,s,x”+“—es":teach(教)→teacheswash(洗)→washesgo(去)→goeskiss(吻)→kiss esfix(安装)→fixes(c)原形动词词尾为“辅音字母+y"时,去“y"后加“—ies”,若是“元音字母+y",只加“—s”:study(学习)→studiesplay(游戏)→plays注:本项规则的“第三人称单数”是指句子的主语.例如:I go to school on a bicycle every day 。

You go to school on a bicycle every day.She goes to school on a bicycle every day。

2、现在分词(也称“—ing"形)(a)原形动词词尾+“-ing”。

spe ak→speaking(说)study→studying(学习)go→going(去)(b)原形动词词尾为“—e”时,去“—e"后+“-ing”。

live→living(住)make→making(制造)(c)原形动词词尾为“-ie”时,先把“—ie”改为“-y”后+“-ing”.lie→lying(卧,躺)die→dying(死)(d)原形动词词尾为“短元音+辅音字母”时,先双写词尾辅音字母后再+“—ing".plan→planning(计划)kid→kidding(开玩笑)get→getting(得到)stop→stopping(停止)put→putting(放置)shut→shutting(关闭)注:双音节动词若其词尾的词形如本项的情形,但重音落在第一音节者直接加“—ing”,若是重音落在第二音节者则依本项规则加“—ing”。

一般现在时的动词变化规则

一般现在时的动词变化规则

一般现在时的动词变化规则
1. 对于第三人称单数主语,动词要加上-s或-es。

例如:he walks (他走),she runs(她跑),it eats(它吃)。

2. 对于一般现在时的否定句或疑问句,需要使用助动词do/does。

例如:I do not go(我不去),Do you eat?(你吃吗?),Does he speak English?(他会说英语吗?)
3. 对于除了第三人称单数主语之外的其他主语,动词保持原形不变。

例如:I walk(我走),you run(你跑),we eat(我们吃)。

4. 在陈述句中,动词变化不受人称、数的影响。

例如:I walk(我走),you walk(你走),he walks(他走),we walk(我们走),
they walk(他们走)。

5. 在疑问句中,要改变动词的位置,将助动词do/does放在主语之前,并去掉动词的第三人称单数形式。

例如:Do you walk?(你走吗?),Does she eat?(她吃吗?)
6. 可以使用时间状语词来表示现在时。

例如:I often go to the park(我经常去公园)。

7. 一些动词的第三人称单数形式有特殊变化。

例如:have(第三人
称单数形式为has),go(第三人称单数形式为goes)。

需要注意的是,以上规则只是一般现在时的变化规则,一些动词可能
有特殊的变化形式,请根据具体情况进行学习和使用。

动词第三人称单数

动词第三人称单数

1、动词第三人称单数.一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,其规律大体有三点:(1) 一般情况下由动词后加-s构成:work / works,read / reads等。

(2) 以s, x, z, sh, ch 以及字母o结构的动词,后加-es:guess / guesses, mix / mixes, go / goes, buzz / buzzes, finish / finishes, catch / catches等。

(3) 以辅音字母加y结尾的动词,应将y改为i 再加-es:fly / flies, study / studies等。

【注】①有个别的变化不规则,如have / has, be / is等。

②词尾-s和-es 读音规则是:在s, x, z, sh, ch 后的es读作[iz],其余的读作[z]。

除上述规律外,还应注意下面三点:(1). 动词 have ,遇到主语是第三人称单数时,要用 has;动词 be 的第三人称单数形式是is。

(2). 含有动词第三人称单数形式的句子变否定句时,要用 doesn't + 动词原形,如:He goes to school at six in the morning. (变否定句)→ He doesn't go to school at six in the morning. (3). 对含有动词第三人称单数形式的句子提问时,要用助动词 does,如:She goes home at five every day. (对划线部分提问)→ When / What time does she go home every day?2. 过去式和过去分词的构成方法分规则变化和不规则变化两种。

不规则变化需逐个记忆,规则变化遵循以下原则:(1) 一般情况下,在动词后加ed构成:work / worked, stay / stayed, shout / shouted等。

动词第三人称单数的变化规则及练习

动词第三人称单数的变化规则及练习

动词第三人称单数的变化规那么及练习一、使用情况:在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。

(标志词usually often always sometimes never every等)二、变化规那么1、直接在动词后+s例如:like- likes play-plays2、以s, x, sh, ch, 接尾的动词:+es例如:wash-washes3、以辅音+o接尾的动词:+es例如:go-goes4、以辅音字母+y接尾的动词:变y为i+es例如:fly-flies以元音字母+y接尾的动词后+s例如:play-plays5、除上述规律外,还应注意下面三点:1)动词have ,遇到主语是第三人称单数时,要用has;动词be 的第三人称单数形式是is。

2〕含有动词第三人称单数形式的句子变否认句时,要用doesn't + 动词原形,如:He goes to school at six in the morning. (变否认句)→He doesn't go to school at six in the morning.3)对含有动词第三人称单数形式的句子提问时,要用助动词does如:She goes home at five every day. (对划线局部提问)→When / What time does she go注意:不规那么变化:have-----has,be-------is,do-----doesI 写出以下动词的第三人称单数(-s)和现在分词(-ing) godoplayjumpswimrunputsingdancecomegethaveflystudyreadwritelookdrinkeatwalklikeII选择1.Ben_____a new book.A. haveB. hasC. havesD. were2.Ben and Mary some books.A. haveB. hasC. areD. were3.I some stories every day.A. haveB. hasC. areD. were4.I __________ ice cream.5. Kitty__ English every day6.A man _____in front of his car.7.Sam’s bicycle ______a bell.A.have B has C.having D.is having8.I every day9.He his homework every day.10. I ________ my homework every day.11.They ________ their homework every day.11.Lucy_______with her hands.12.Superdog________the boys13.Supergirl and Superdog______them.A.savesB.saveC.savingD.is saving14.Jack_______their cow.A.sellsB.sellC.sellingD.are selling15.Jack______up the beanstalk.16.The giant ______boys.17.The goose_______golden eggs.17.The woman_______the beanstalk.18.Her mother ______the beanstalk.A.takeB.is take Ctakes D. taking19Jack andher mother _____happerA.doesB.areC.isD. have20.He____the beans in the ground.二.填空:1.She ______(do) homework by herself.2.Jack ______(go) home by bike.3.The giant______(climb) up the beanstalk.4.Her mum ______(run) to the goose.5.He______(do not)like apple.6,Sam______(put) it under his arm.7.The boy_______(chase) it.8.Kitty______(watch)TV everyday.9.He______(feed)them at 8:00 in the morning.10.When ______(do)he get up?11.Grandma Wang___(live) in Pudong.12.The girls___(give) the key to Grandpa.13.That key ______(open) the old box.14.She ______(say) “I like these puppets〞.15.What_____(do)Alice find?16.Which toy_____(do) she like?17.He doesn’t______(know)her name.18.John can’t_______(find) his watch.19.Where _____(do)Grandma live?20.How does he______(go)to the post office?三、请看下面两组句子,注意区分他们的共同点和不同点。

英语第三人称单数规则

英语第三人称单数规则

第三人称单数的规则一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,其规律大体有三点:1. 一般情况下,直接在动词词尾+s ,例如:get→gets; take→takes2. 以s, sh, ch, x, o 结尾的动词,在词尾+ es,例如: teach→ teaches;fix→fixes; go→goes3. 以辅音字母+ y 结尾的动词,变y 为i,再+ es,如:study→ studies;try→tries除上述规律外,还应注意下面三点:1. 动词 have ,遇到主语是第三人称单数时,要用 has;动词 be 的第三人称单数形式是is。

2. 含有动词第三人称单数形式的句子变否定句时,要用 doesn't + 动词原形,如:He goes to school at six in the morning. (变否定句)→ He doesn't goto school at six in the morning.3. 对含有动词第三人称单数形式的句子提问时,要用助动词 does,如:She goes home at five every day. (对划线部分提问)→ When / What timedoes she go home every day?综上所述,只要我们洞悉了英语动词第三人称单数形式的变化规则,在一般现在时的句子中,我们都能从容应对,客随主“变”了。

【动词第三人称单数的变化规则及发音规律】动词原形变第三人称单数的规则与发音规律同名词单数变复数大致相同,请认真观察。

1、大多数动词在词尾加“S”在清辅音后发音为[s],在浊辅音及元音后发音为 [z]。

如:①stop-stops [s] ; make-makes [s]②read-reads [z] ; play-plays [z]2、以辅音字母加“y”结尾的,要先将“y”变为“i”,然后在加“es”读[iz] 如:fly-flies [z]; carry-carries [z]study-studies [z]; worry-worries3、以“s, x, ch, sh”结尾的,在词尾加“es”,发音为[iz] 如:teach-teaches [iz]; watch-watches [iz]4、以“o”结尾的动词,加“es”,读[z] 如:go-goes [z] do-does [z]下面几个动词变为单数时,原词的元音部分的发音发生了较大的变化,请注意记忆。

一般现在时主语单三人称时的动词变化

一般现在时主语单三人称时的动词变化

一般现在时主语单三人称时的动词变化①在一般现在时中,当主语为第三人称单数时,动词要用“s”型(即第三人称单数形式)。

②所谓动词“s”型的构成,可按名词变复数的规则来记,即:(1)在动词尾直接加s。

如:play—plays,want—wants,work—works,know—knows,help—helps,get—gets(2)以字母s、x、ch或o结尾的动词加-es;如:guess—guesses,fix—fixes,teach—teaches,brush—brushes,go—goes,do—does,watch—watches,catch—catches(3)以辅音字母+y结尾的动词,先变y为i,再加-es。

如:study—studies,carry—carries,fly—flies,worry—worries③④强调如何将主语是第三人称单数的肯定句变为否定和疑问句。

现举例说明:1)His mother works in a factory.His mother doesn’t work in a factory.Does his mother work in a factory?Mr Li teaches us English.Mr Li doesn’t teach us English.Does Mr Li teach you English?3)My brother studies maths well.My brother doesn't study maths well.Does your brother study maths well?其实三单的变化形式跟名词变复数是一样的。

好好学习哈O(∩_∩)Oaux.(助动词)1.be用作助动词时可与动词的现在分词连用,构成进行时态,也可与及物动词的过去分词连用,构成被动结构。

2.be可以和动词不定式连用,有以下几点意义:①表示计划或安排要发生的事或打算要做的事,不定式可用被动式,在was或were后用不定式的完成式可表示“本来打算…”;②表示“必须”“得”等,意思接近must, have to;③表示“应该”“宜于”等,意思接近should,有时用来征求对方的意见,不定式可用被动式;④表示“可以”“能”等,意思接近can, may,多用于被动结构;⑤表示“想要”等,意思接近want to, intend to;⑥表示注定要发生的情况,常用于过去式;⑦表示虚拟语气,用于与事实相反的条件句中。

动词《第三人称单数形式》的变化规则

动词《第三人称单数形式》的变化规则

小学英语动词第三人称单数变化规则一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,其规律为:1、变否定句:格式为doesn’t/does not + 动词原形,如:He goes to school at six in the morning. (变否定句)→He doesn't go to school at six in the morning.2、变一般疑问句:要借用助动词does,如:She goes home at five every day.→Does she go home at five every day?--- Yes, she does./No, she doesn’t.哪些主语是第三人称单数?除I、you之外的所有可数名词单数及不可数名词。

(he she it 个人名)例题引路:判断下列词语哪些是第三人称单数,是请打“√”不是请打“×”。

he ( ) we( ) she( ) they( )it ( ) Han Mei ( ) uncle Wang ( )the farmers( ) my mother( ) Linda( )Sally and Lucy( ) the dog( ) the cats( )1、写出下列动词的第三人称单数。

drink ________ go _______ stay ________ make ________ look _________ have_______ pass_______ carry _______ come________ watch________ plant_______ fly ________ study_______ brush________ teach________ 2、用括号内动词的适当形式填空。

1. He often ________(have) dinner at home.2. We _____________ (not watch) TV on Monday.3. Nick ___________ (not go) to the zoo on Sunday.4. ________ they __________ (like) the World Cup?5. What _________they often _________ (do) on Saturdays?6. _________ your parents _________ (read) newspapers every day?7. There ________(be) some water in the bottle.8. My aunt _______(look) after her baby carefully.9. The child often _______(watch) TV in the evening.10. Mike’s sister ________ (cook) nice food. I _______ (like) eating it very much. 21. _______ (do) your brother_______ (watch) TV in the evening? No, he_______ (not).3、选出正确的答案:1. She (like / likes) to play football.2. He (like / likes) drinking milk.3. I (like / likes) to watch TV.4. We (like / likes) to play badminton.5. They (like / likes) to sing songs.6. She (read / reads) books every day.7. He (play / plays) computer games every day.8. It (listen / listens) to the radio every day.9. Linda (draw / draws) pictures every day.10. Jane and Linda (play / plays) football every day.5、把下列句子变为否定句:1. We like playing football.2. Linda swims every day.3. They like playing games.4. My father reads newspaper in the evening.7、把下列句子变为疑问句,并做肯定和否定回答。

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一、概述一般现在时的概念和用法:(1)表示现阶段经常、反复、习惯性的动作;(2)表示目前的状况;(3)表示自然界的客观真理。

二、一般现在时的结构时态的结构指的是动词的变化形式。

一般现在时间有两种结构,一种是动词原形,用于主语为非第三人称时的情况;另一种为动词的第三人称单数形式,用于主语为第三人称时的情况。

Eg1. We often get up early in the morning.Eg2. My father often gets up early in the morning.三、谈谈“主语为三单,其后动词s添”在一般现在时中,当主语为第三人称单数时,谓语动词要用第三人称单数形式。

可以简单叙述为“主语为三单,其后动词s添”。

何谓第三人称单数?用一句话概括就是“非你、非我、非复数”,如he, she, it, my father, my mother, my sister, our English teacher, Tom, Mike, Liu Jia, China, my book, etc.Eg3.He sometimes goes to school by bike.Eg4.My father works in the hospital as a doctor.四、一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,其规律为:(与名词变成复数的变法大致相同。

)五、一般现在时的句子转换(1)当句子中有be动词或情态动词时,则把be动词或情态动词(can,could等等)提到主语的前面变成一般疑问句;在be动词或情态动词后面加not变成否定句.例:①陈述句:She is a student.一般疑问句→ Is she a student?否定句→ She is not a student.②陈述句:I can swim.一般疑问句→ Can you swim否定句→ I can not swim.(2)当句子中即没有be动词,也没有情态动词时,则在主语前加助动词do (you,以及复数), does(单数she,he,it)变成一般疑问句;在主语后谓语动词前加助动词don’t(I,you,以及复数), doesn’t(单数she,he,it)变成否定句,助动词后的动词要变成动词原形。

例:①陈述句:We get up at 7:00 every morning.一般疑问句→Do you get up at 7:00 every morning?否定句→We don’t get up at 7:00 every morning.②陈述句:She has a little brother.一般疑问句→ Does she have a little brother?否定句→ She doesn’t have a little brother.哪些主语是第三人称单数?1、人称代词he, she, it;如:He likes watching TV. 他喜欢看电视。

She has lunch at twelve. 她十二点吃午餐。

It looks like a cat. 它看起来像只猫。

2、单个人名、地名或称呼作主语;是第三人称单数。

如:Han Mei looks like her mother. 韩梅看起来像她的母亲。

Beijing is in China. 北京在中国。

Uncle Wang often makes cakes. 王叔叔经常做蛋糕。

3、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;A horse is a useful animal. 马是有用的动物。

This book is yours. 这本书是你的。

That car is red. 那辆小汽车是红色的。

The cat is Lucy's. 只猫是露茜的。

4、不可数名词作主语时为第三人称单数。

如:The milk is in the glass.牛奶在玻璃杯里。

The bread is very small. 那面包很小。

The water is very cold. 那些水很凉。

1、写出下列动词的第三人称单数。

drink ________ go _______ stay ________ make ________ look _________have_______ pass_______ carry _______ come________ watch________plant_______ fly ________ study_______ brush________ teach________catch_________ wash___________do________ like________ say_______learn ___________eat___________ read___________ sing___________ buy__________study_______ come__________plant(种植)______2、用括号内动词的适当形式填空。

1. He often ________(have) dinner at home.2. We _____________ (not watch) TV on Monday.3. Nick ___________ (not go) to the zoo on Sunday.4. ________ they __________ (like) the World Cup?5. What _________they often _________ (do) on Saturdays?6. _________ your parents _________ (read) newspapers every day?7. There ________(be) some water in the bottle.8. My aunt _______(look) after her baby carefully.9. The child often _______(watch) TV in the evening.10. Mike’s sister ________ (cook) nice food. I _______ (lik e) eating it very much.11. _______ (do) your brother_______ (watch) TV in the evening? No, he_______ (not).12. We often___________(play) in the playground.13. He _________(get) up at six o’clock.14.__________you_________(brush) your teeth every morning.15. What________ (do) he usually______ (do) after school?16.Danny_______(study)English,Chinese,Maths,Science and Art at school.17. Mike sometimes __________(go) to the park with his sister.18. At eight at night, she often__________(watch) TV with his parents.19. ________ Mike________(read) English every day?20.How many lessons_________your classmate________(have) on Monday?21. What time_________his mother_________(do) the housework?1.We _____________ ( go ) to school on foot every day .2.They ______________( not have ) any lessons on Sundays .3.She _____________ ( brush ) her teeth twice a day .4.These students ____________ ( be not ) good at boating .5.Wei Hua always ____________( carry ) water for his grandpa on Sundays .6.___________Kate ____________( like ) making friends ?7.The lazy boy ______________( not do ) his homework in the evening .8.How many classes _________you __________( have ) every day?9.Who __________the baby ___________( look ) like ?10.He can ___________( teach ) us Enlgish well .11. He often ________(have) dinner at home.12. Daniel and Tommy _______(be) in Class One.13. Nick _________(not go) to the zoo on Sunday.14. What _______they often _______(do) on Saturdays?15. _______ your parents _______(read) newspapers every day?16. The girl ____________(teach) us English on Sundays.17. She and I ________(take) a walk together every evening.18. There ________(be) some water in the bottle.19. They _______(have) the same hobby.20. My aunt __________(look) after her baby carefully.21. You always _______(do) your homework well.22. I _______(be) ill. I’m staying in bed.23. She _______(go) to school from Monday to Friday.24. The child often ____________(watch) TV in the evening.25.-What day _______(be) it today? -It’s Saturday.26. He _________ (get) up at six o'clock.( )1. I ________to school at 7:00 in the morning.A. goB. goingC. goes( )2. They _______books every day in the library.A.readsB. readC. reading( )3. The monkey________ eating bananas very much.A.likeB. likesC. liking( )4. My father ________to read newspaper after supper every day.A.likeB. likesC. liking( )5. I like watching TV, but my mother _________like it.A. don’tB. doesn’tC. does( )6. ____________ your father drink milk every day?A.doB. areC. does( )7. We will go shopping if it____ tomorrow.A.don't rainB. didn't rainC.doesn't rainD. isn't rain ( )8. He said the sun ____in the east and ____in the west.A rose; setB rises; setsC rises, setD rise; sets ( )9.Wang Mei ____ music and often ____ to music.A like; listenB likes; listensC like; are listeningD liking ; listen ( )10. Jenny____ English every evening.A has studyB studiesC studyD studied3、选出正确的答案:1. She (like / likes) to play football.2. He (like / likes) drinking milk.3. I (like / likes) to watch TV.4. We (like / likes) to play badminton.5. They (like / likes) to sing songs.6. She (read / reads) books every day.7. He (play / plays) computer games every day.8. It (listen / listens) to the radio every day.9. Linda (draw / draws) pictures every day.10. Jane and Linda (play / plays) football every day.5、把下列句子变为否定句:1. We like playing football.2. Linda swims every day.3. They like playing games.4. My father reads newspaper in the evening.7、把下列句子变为疑问句,并做肯定和否定回答。

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