一般现在时(精讲) (2).ppt

一般现在时,表示现在经常反复发生的动作、存在的状态或习惯性的动作的时态。,常与一般现在时连用的词：,1、every系列,every,dayyearmonthweekmorningafternoonevening,、频率副词 never,、次数,一次once两次 twice三次 three times一周两次 twice a week每周四次 four times a week每周六 on Saturdays每周日 on Sundays,1.表示现在的状态：e.g.Hes twelve.Shes at work.2.表经常或习惯性的动作：e.g.I get up at 6:30 every day.He reads English every morning.常用的状语：often,sometimes,usually,every day 等。3.表主语具备的性格和能力等：e.g.She likes noodles.They speak French.4.表示不受时间限制的普遍真理和自然规律：e.g.Two and four is six.The moon goes around the earth.,一般现在时的构成,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、肯定句构成：,主语+be+其他,2、be 包 括 哪 些？,is am are,3、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,is,are,am,Exercise,1、Kitty an English girl.2、We students.3、I from Taizhou.4、She tall.5、Lucy and Lily good friends.6、Those chairs broken.7、The bag mine.,is,are,am,is,are,are,is,否定句的构成,主语+be+not+其他,is not=am not=are not=,isnt,m not,arent,1、Kitty(not)an English girl.2、We(not)students.3、I(not)from Taizhou.4、She(not)tall.5、Lucy and Lily（not）good friends.6、Those chairs(not)broken.7、The bag(not)mine.,isnt,arent,am not,isnt,arent,arent,isnt,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,一般疑问句的构成：be+主语+其它部分？,肯定回答：Yes，主语+be,否定回答：No，主语+be+not,be,主语,其他,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：情态动词后的动词一定要用原形,Eg:They should(应该)be right.,试比较：They are right.She speaks English.,否定句的构成,主语+情态动词+not+动词原形+其他,can not=could not=must not=would not=will not=should not=may not=,cant,couldnt,mustnt,wouldnt,wont,shouldnt,may not,She(can not)speak English.You(must not)open the door.They(should not)be right.I(will not)go to Japan.,2、Can you speak English?,Yes，I can.,No，I cant.,肯定回答：Yes，主语+情态动词,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,主语,动词原形,其他部分,含be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 English,Can you speak English？,含be的一般疑问句、否定句改写口诀,你用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！,含有实义（行为）动词的一般现在时,（2）当主语是第三人称单数时,动词的第三人称单数,1、大多数动词在词尾直接加s，如read reads look looks play plays 2、以辅音字母加y结尾的动词，要先将y变为i，再加es如：fly flies carry carries study studies26个字母中 除A E I O U五个元音字母外，其余21个都是辅音字母 3、以“s,x,ch,sh”结尾的，在词尾加“es”，发音为iz 如：teachteaches iz;watchwatches iz box-boxes 4、以“o”结尾的动词，加“es”，读z 如：gogoes z dodoes z,Complete the sentences.Use the simple present tense of the verbs in brackets,My father_(listen)to the radio every day.Mike_(study)in a middle school.She_(take)Eddie for a walk after supper.He_(wash)clothes with his hands.Simon _(pass)the ball to Daniel.Miss Li_(teach)Chinese.Look at the animal,it _ four legs.,listens,takes,studies,washes,passes,teaches,has,8,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,4.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 writing.,His brother doesnt play basketball.,It doesnt look like a hat.,She doesnt have a cat at home.,11,Complete the sentences.Use the proper verb forms in brackets,1.Jordan _(play)basketball.He _(not play)football.2.I _(go)swimming on Sunday.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.,plays,doesnt play,go,dont go,enjoy,dont enjoy,like,doesnt like,12,一般疑问句,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：,第二家族：行为动词一般疑问句的构成,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+其它？,肯定回答用“Yes,主语+do/does.”否定回答用“No,主语+do not/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 every 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)2.Millie lives in a flat in Beijing.(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some要改成any,There 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 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 or,变否定句时，and要变成or,There 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either,I like eating apples,too.,I dont like eating apples,either.,用所给单词的正确形式填空,改错,