中考英语动词时态详解课件.ppt

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1、关于中考英语动词时态详解现在学习的是第1页，共36页动词的构成nbe 动词n助动词n情态动词n系动词n实义动词 现在学习的是第2页，共36页be 动词nbe动词的几种形式nam is arenwas werenbeingnBeen 现在学习的是第3页，共36页be动词的用法n与名词、数词、形容词、介词连用nI am a doctor.nHe is ten.nThey are tired.nThe cat is under the table. 现在学习的是第4页，共36页be动词的用法 nThere be 句型n用于不可数名词和可数名词单数之前There is a pen on the des

2、k.There is some water in the glass.n用于复数名词之前There are some sheep in the hill.n用于一般将来时There is going to be a film in our school next Sunday.n用于一般过去时There was a book on the desk yesterday.注意：请根据时态和句中的名词选择适当形式。现在学习的是第5页，共36页be动词的用法nBe 动词在时态中的运用n在现在进行时中 We are talking.n在过去进行时中 We were talking at this ti

3、me yesterday. 现在学习的是第6页，共36页助动词n助动词的几种形式ndo /dont nDoes/ doesntnDid/ didntnwill /wontnhave havent /has hasnt/had hadnt 现在学习的是第7页，共36页助动词的用法 n对句子进行否定和疑问nDo you get up early every day?nI didnt have lunch yesterday.nWill you be back soon?nHe hasnt finished the work yet.n在反意疑问句中nHe works in a school,doe

4、snt he?nShe has never been there,has she?n在倒装句中nThey helped the farmers , so did we.nI wont visit the famous singer,neither will he.现在学习的是第8页，共36页情态动词n共同特点 情态动词后面跟动词原型 无论否定、疑问、倒装句、或反意疑问句都用情态动词 只有时态变化，没有人称变化 现在学习的是第9页，共36页情态动词 n解释ncan / could在表示请求允许的时候两者和互换， could比can语气更委婉。Can I help you?Could you op

5、en the window?在表示有能力作某事时，could是can的过去式。I can swim.I could swim at the age of five.现在学习的是第10页，共36页情态动词 n解释nMust /have toMust 表示主观意愿，否定句用Mustnt，否定回答用needntI must go now.You mustnt play in the street.Must I clean the room now?No,you neednt.have to表示客观条件的限制的“不得不”，它有时态和人称变化，需要助动词来否定和疑问。I dont have to car

6、ry the big box.He had to wash his clothes.现在学习的是第11页，共36页情态动词n解释nMay 表示请求别人允许。May I use your bike?表示可能性。He may be a teacher.He may live in this building. 现在学习的是第12页，共36页系动词 n我们所学过的系动词是nGet，turn，be come，be动词n感观动词look，sound，smell，taste，feeln系动词只和形容词连用，构成系表结构nI feel hungry.nThe day gets longer and long

7、er.nHe looked happy.现在学习的是第13页，共36页实义动词n实义动词指的是有具体行为意思的动词。n实义动词在句中可以做谓语动词和非谓语动词。n做谓语动词的用法 动词会有四种形式：单三，现在分词，过去式，过去分词 现在学习的是第14页，共36页实义动词注意：掌握四种形式的变化规律nHe works in the office.nWe are dancing together.nI caught a cold last week.nShe has watered the flower. 现在学习的是第15页，共36页实义动词n做非谓语动词的用法（指出现在谓语动词之后的动词，它受

8、前面谓语动词的限制） 动词会有三种形式：n原型(do)n动名词(doing)n不定式(to do) 现在学习的是第16页，共36页实义动词n用原型：nlet sb.donmake sb.donhelp sb.(to)donhad better do 现在学习的是第17页，共36页实义动词n用动名词：nlike doingnenjoy doingnfinish doingn介词之后用动名词 be good at doingwhat about doingthank you for doing 现在学习的是第18页，共36页实义动词 n用不定式：nwant to dondecide to donp

9、lan to donwould like to donlearn to dontell sb.( not)to donask sb.(not) to do现在学习的是第19页，共36页实义动词n注意下列词不同形式的不同用法: remember doing/to do forget doing/to do stop doing/to do go on doing/to do 现在学习的是第20页，共36页时态 n一般现在时n一般将来时n一般过去时n现在进行时n现在完成时n过去进行时n过去将来时n过去完成时现在学习的是第21页，共36页一般现在时n表示一般情况和经常发生的动作。n时间状语为neve

10、ry day 或 every 引导的时间状语noften，always，usually 现在学习的是第22页，共36页一般现在时n动词碰到第三人称单数时，要加 “s”nwork - worksn辅音字母和“y”结尾的词，如carry - carriesn以s、x、ch、sh结尾的加“es”，如wash - washesngo - goesndo - doesnhave - has 现在学习的是第23页，共36页一般现在时n例句nHe goes to school on foot every day.nWe often have supper at home.nShe doesnt do her

11、 work every Sunday. 现在学习的是第24页，共36页现在进行时 n表示正在发生的动作。n时间状语：now /Look /Listenn由be动词动词ing构成n动词变化加ingnclean - cleaningn以不发音“e”结尾的，去掉字母“e”，再加ingmake - makingn重读闭音节的单词，双写最后一个字母，再加ingswim - swimming现在学习的是第25页，共36页现在进行时n例句nThe boys are playing now.nLook! They are planting trees.nListen! He is singing. 现在学习的

12、是第26页，共36页一般将来时n表示将来发生的动作。n时间状语： nnext 引导的词组ntomorrow 引导的词组nthe day after tomorrown动词变化：will + 动词原型n例句nI will visit you tomorrow.nHe wont come back next week. 现在学习的是第27页，共36页一般过去时n指过去发生的动作或事情n时间状语：nyesterday 引导的词组nago 引导的词组nlast 引导的词组nthe day before yesterday 现在学习的是第28页，共36页一般过去时n动词变化：动词变成过去式，动词加“ed

13、”nPlay - playedn辅音字母和“y”结尾的词，如carry - carriedn重读闭音节的单词，双写最后一个字母，再加edstop - stoppedn不规则动词见书后动词表 现在学习的是第29页，共36页一般过去时n例句nHe bought a book yesterday.nI watched a match last week.nHe left here two days ago. 现在学习的是第30页，共36页现在完成时 n动词变化 动词变成过去分词加ednPlay - playedn辅音字母和“y”结尾的词，如carry - carriedn重读闭音节的单词，双写最后一

14、个字母，再加edstop - stoppedn不规则动词见书后动词表1)动词由have（has）+ 过去分词 构成现在学习的是第31页，共36页现在完成时 n表示动作已经完成nHe has left .nI have already had a rest.n表示动作不仅已经完成，还要持续（在这个用法当中，动词要用延续性动词，与for引导的一段时间和since引导的短语连用）nHe has been away for two days. nI have already taught in this school since 1990.nThe bird has been dead for a m

15、onth.nWe have made lots of friends since we came here. 现在学习的是第32页，共36页过去进行时 n指在过去的某一个时间正在发生的动作。n时间状语nat this time yesterdaynat five oclock yesterday afternoonn动词由be动词+动词ing形式构成n例句He was watching TV at this time yesterday.现在学习的是第33页，共36页过去将来时n指对过去的某一个时间来讲，将要发生的动作。n动词由would+动词原型构成。n例句He would go to the park the next day.He said he would work hard next term. 现在学习的是第34页，共36页过去完成时 n指对过去的某一个时间来讲，已经发生的动作。n动词由had+过去分词构成。n例句she had borrowed a book before she went to the park.We had learned many new words by the end of last term. 现在学习的是第35页，共36页感谢大家观看现在学习的是第36页，共36页