初中一般现在时完整版课件.ppt

1、 The Simple Present TenseThe Simple Present Tense 一般现在时态 2022-11-221.1.一般现在时的基本用法一般现在时的基本用法：1)经常性或习惯性的动作，常与表示频率经常性或习惯性的动作，常与表示频率副词的时间状语连用。副词的时间状语连用。时间状语：时间状语：every morning(afternoon,Sunday),sometimes,at,on Sunday,often.usually,例如：例如：I wake up at six Oclock every morning.My friends often go to the pa

2、rk on Sundays.2)用于表示客观真理，客观存在，科学事实用于表示客观真理，客观存在，科学事实。例如：例如：The earth moves around the sun.地球地球绕着太阳转。绕着太阳转。Tomorrow is Tuesday.明天是星期二明天是星期二 3)用于格言或警句中。用于格言或警句中。例如例如：Where there is a will,there is a way.有志者有志者事竟成。事竟成。4)用于表示现在时刻的状态、能力、性格、用于表示现在时刻的状态、能力、性格、个性。个性。例如例如：She is a good girl and always help o

3、thers.她是一个好女孩，经常帮助别人。她是一个好女孩，经常帮助别人。My watch is very new。我的手表很新。我的手表很新。2 常与一般现在时连用的词：常与一般现在时连用的词：、频率副词、频率副词 neverseldomrarelysometimesoftenusuallyalways1、一般动词，在词尾加一般动词，在词尾加 s;如：如：work-works,live-lives,play-plays,sing-sings.eg:She lives in Ningbo.她住在宁波。她住在宁波。2、以、以/s/z/等音素结尾的动词，词尾加等音素结尾的动词，词尾加-es，如词尾为

4、，如词尾为e，只加只加-s.读作读作/iz/如：如：teach-teaches,wash-washes.eg:My mother washes the coat.我母亲洗了大衣。我母亲洗了大衣。3 一般现在时第三人称单一般现在时第三人称单he,she,it 的构成规则的构成规则3.以辅音字母加以辅音字母加Y 结尾的词，把结尾的词，把Y变变I 在加在加ES，读作，读作ZStudy flystudiesflied 4.以辅音字母以辅音字母+O结尾的词，一般情况是在词尾加结尾的词，一般情况是在词尾加ES 读读作作Zgo do goesdoes5.特殊情况：特殊情况：have has getsgoes

5、livesdraws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1、构成、构成：主语+be+其他2、be 包 括 哪 些？is am are3、什么时候用is？什么时候用am？什么时候用are？取决于主语是单数还是复数The girl is my friend.主语为单数时 主语为复数时 主语为“I”时 isareamExercise 1、Kitty an English girl.2、We students.3、I from Taizhou.4、She tall.5、Lucy and Lily good friends.6、Th

6、ose chairs broken.7、The bag mine.isareamisareareis1.Be 动词的否定式动词的否定式:be+notI am a teacher.You are a workerShe is a doctorWe are friends.Im not a teacherYou arent a workerShe isnt a doctor.We arent friends.is not=isntare not=arent 否定句2.(do)当主语是单数第三人称时，它当主语是单数第三人称时，它与助动词与助动词DOES有关，但是动词谓语有关，但是动词谓语一定要恢复为

7、原形一定要恢复为原形。当主语是其他人。当主语是其他人称时，它与助动词称时，它与助动词DO有关。有关。I like English.She likes it very much.We go to work by bike.I dont like English.She doesnt like it very much.We dont go to work by bike.否定句Ex1.将下列各句从肯定式改为否定式将下列各句从肯定式改为否定式1.I talk to Peter because I like him.2.Kate comes from America.Kate works with

8、PeterI am Chinese,and I am a student.They know each other.I dont talk to Peter because I dont like him.Kate doesnt come from America.Kate doesnt work with Peter.I am not Chinese,and I am not a studentThey dont know each other.1、Kitty (not)an English girl.2、We (not)students.3、I (not)from Taizhou.4、Sh

9、e (not)tall.5、Lucy and Lily （not）good friends.6、Those chairs (not)broken.7、The bag (not)mine.isntarentam notisntarentarentisnt二二 情态动词的一般现在时情态动词的一般现在时 构成主语+情态动词+动词原形+其他She can speak English.注意注意：情态动词后的动词一定要用情态动词后的动词一定要用原形原形Eg:They should(应该)be right.试比较：They are right.She speaks English.其否定句的构成主语+情态动

10、词+not+动词原形+其他can not =could not =must not =would not =will not =should not =may not =cantcouldntmustntwouldntwontshouldntmay not She (can not)speak English.You (must not)open the door.They (should not)be right.I (will not)go to Japan.三三 行为动词的一般现在时行为动词的一般现在时 构成主语+行为动词+其他These boys like playing footba

11、ll.The girl reads English every morning.注意：当主语为第三人称单数时，行为动词要加s或者es否定句的构成主语+助动词（do/does）+not+行为动词原形原形+其他These boys dont（do not）like playing football.The girl doesnt（does not）read English every morning.什么时候用助动词do，什么时候用助动词does呢？取决于主语The girl reads English every morning.These boys like playing football.

12、当主语为复数时，用助动词do构成否定 当主语为单数时，用助动词does构成否定注意：dont 和 doesnt 之后动词一定要用原形Change the following sentences after the models.1.I like red.(green)2.They like apples.(oranges)3.We take a bus to school every day.(walk to school)Model 1:I like fish.(meat)I dont like meat.Model 2.He likes reading.(writing)He doesnt

13、 like writing.I dont like green.They dont like orange.We dont walk to school every day.104.His brother plays football after school.(play basketball)5.It looks like a cat.(hat)6.She has a dog at home.(a cat)Model 1:I like fish.(meat)I dont like meat.Model 2.He likes reading.(writing)He doesnt like wr

14、iting.His brother doesnt play basketball.It doesnt look like a hat.She doesnt have a cat at home.11Complete the sentences.Use the simple present tense of the verbs in brackets1.My father_(listen)to the radio every day.2.Mike_(study)in a middle school.3.She_(take)Eddie for a walk after supper.4.He_(w

15、ash)clothes with his hands.5.Simon _(pass)the ball to Daniel.6.Miss Li_(teach)Chinese.7.Look at the animal,it _ four legs.listenstakesstudieswashespassesteacheshas8Complete the sentences.Use the proper verb forms in brackets1.Jordan _(play)basketball.He _(not play)football.2.I _(go)swimming on Sunda

16、y.But I_(not go)shopping.3.My cousins _(enjoy)computer games.But they _(not enjoy)ball games.4.You _(like)fish.But he _(not like)fish.playsdoesnt playgodont goenjoydont enjoylikedoesnt like125 一般疑问句 一般说来，英语中共有四种问句，分别是：1、一般疑问句 2、特殊疑问句 3、选择疑问句 4、反意义疑问句 今天我们来学习一般疑问句。那么，什么是一般疑问句呢？我们一起来听听一般疑问句的自白：“Hello,

17、大家好！我是一般疑问句，我的天性是爱发问。我最爱做的事是询问某种情况是否属实，您不对我做出肯定或否定回答我是不会罢休的。您也可用肢体语言来打发我，比如点头或则摇头。所以我有一对好朋友，猜猜是什么？第一家族：含be动词或情态动词 的一般疑问句 Yes，it is.No，it isnt.1、Is this your English book？注意：在回答时，主语要用相应的代词代替be+主语+其它部分？肯定回答：Yes，主语+be否定回答：No，主语+be+notbe主语主语其他其他2、Can you speak English?Yes，I can.No，I cant.肯定回答：Yes，主语+情态动

18、词否定回答：No，主语+情态动词+not情态动词+主语+动词原形+其它部分？注意：在回答时，主语要用相应的代词代替情态动词情态动词主语主语动词原形动词原形其他部分其他部分含含bebe或情态动词一般疑问句的改写或情态动词一般疑问句的改写 秘诀：一调二改三问号一调：即把句中的be或情态动词调到主语前；二改：改换主语称谓，即将句中的主语I my mine we our ours等第一人称分别改为相应的第二人称you your yours等；三问号：句末的句号改为问号 I am an English teacher.Are you an English teacher?We can speak Eng

19、lish Can you speak English？含含bebe的一般疑问句、否定句改写口诀的一般疑问句、否定句改写口诀我 用am，你用are，is连着她他它单数名词用is，复数名词全用are变疑问往前提，句末问号莫丢弃，变否定更容易，be后not莫忘记，疑问否定任你变，句首大写莫迟疑！第二家族：行为动词一般疑问句的第二家族：行为动词一般疑问句的构成构成 问句：Do your parents like English？肯答：Yes，they do.否答：No，they dont.助动词+主语+动词原形原形+其它？肯定回答用“Yes,主语+do/does.”否定回答用“No,主语+do not

20、/does not.”助动词也常用缩写形式，主要有dont，doesnt 特别注意：对于第二家族一定要注意动词的还原，因为时态与数的变化已经体现在助动词上了。第二家族：含行为动词（或称为实义动词）一般疑问句的改写 秘诀：一加二改三问号秘诀：一加二改三问号一加：即在句首加助动词Do或Does；二改：1、把谓语动词改为原形；2、改换主语称谓（同第一家组）；三问号：句末的句号改为问号。We read English every morning.Do you read English every morning?Toms father listens to English on the radio e

21、very evening.Does Toms father listen to English on the radio every evening?句型转换 1.Mr.Green comes from Shanghai.(改为一般疑问句改为一般疑问句)2.Millie lives in a flat in Beijing.(改为否定句改为否定句)Does Mr.Green come from Shanghai?Millie doesnt live in a flat in Beijing.3.Daniel enjoys playing computer games.(改为一般疑问句并做肯定回

22、答改为一般疑问句并做肯定回答)Does Daniel enjoy playing computer games?Yes,he does.some、any 一般说来，some 用于肯定句中，any 用于否定句和疑问句中。改疑问句或否定句时，原句里的改疑问句或否定句时，原句里的some要改成要改成anyThere are some books on the desk.(改为否定句)There arent any books on the desk.Are there any books on the desk?Why not buy some apples?为什么不买些苹果呢?Would you

23、like some more apples?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.and and 与与 or or 变否定句时，and要变成orThere is some air and water on the moon.There isnt any air or water on the moon.He has some brothers and sisters.He doesnt have any brothers or sisters.在否定句当中，too要改为eitherI like eating apples,too.I dont like eating apples,either.