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初中英语动词时态讲解 Fun With English! 九年级
青铜峡市回民中学 谢进
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动词的构成 be 动词 助动词 情态动词 系动词 实义动词
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be 动词 be动词的几种形式 am is are was were being Been
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be动词的用法 与名词、数词、形容词、介词连用 I am a doctor. He is ten. They are tired.
The cat is under the table.
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be动词的用法 There be 句型 用于不可数名词和可数名词单数之前 There is a pen on the desk.
There is some water in the glass. 用于复数名词之前 There are some sheep in the hill. 用于一般将来时 There is going to be a film in our school next Sunday. 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。
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be动词的用法 Be 动词在时态中的运用 在现在进行时中 在过去进行时中 We are talking.
We were talking at this time yesterday.
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助动词 助动词的几种形式 do /don’t Does/ doesn’t Did/ didn’t will /won’t
have haven’t /has hasn’t/had hadn’t
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助动词的用法 对句子进行否定和疑问 在反意疑问句中 在倒装句中 Do you get up early every day?
I didn’t have lunch yesterday. Will you be back soon? He hasn’t finished the work yet. 在反意疑问句中 He works in a school, doesn’t he? She has never been there,has she? 在倒装句中 They helped the farmers , so did we. I won’t visit the famous singer,neither will he.
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情态动词 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
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情态动词 解释 can / 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 open 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.
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情态动词 解释 Must /have to Must 表示主观意愿,否定句用Mustn’t,否定回答用needn’t
I must go now. You mustn’t play in the street. Must I clean the room now? No,you needn’t. 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 don’t have to carry the big box. He had to wash his clothes.
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情态动词 解释 May 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.
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系动词 我们所学过的系动词是 系动词只和形容词连用,构成系表结构 Get,turn,be come,be动词
感观动词look,sound,smell,taste,feel 系动词只和形容词连用,构成系表结构 I feel hungry. The day gets longer and longer. He looked happy.
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实义动词 实义动词指的是有具体行为意思的动词。 实义动词在句中可以做谓语动词和非谓语动词。 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
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实义动词 注意:掌握四种形式的变化规律 He works in the office. We are dancing together.
I caught a cold last week. She has watered the flower.
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实义动词 做非谓语动词的用法(指出现在谓语动词之后的动词,它受前面谓语动词的限制) 动词会有三种形式: 原型(do) 动名词(doing)
不定式(to do)
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实义动词 用原型: let sb.do make sb.do help sb.(to)do had better do
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实义动词 用动名词: like doing enjoy doing finish doing 介词之后用动名词
be good at doing what about doing thank you for doing
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实义动词 用不定式: want to do decide to do plan to do would like to do
learn to do tell sb.( not)to do ask sb.(not) to do
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实义动词 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
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时态 一般现在时 一般将来时 一般过去时 现在进行时 现在完成时 过去进行时 过去将来时 过去完成时
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一般现在时 1.表示事实,现状,性质或经常的,习惯的动作,常与often, usually, always, sometimes, today,every day,once a week, every five minutes, on Sundays等时间状语连用, 如: He has a brother. 2.表示普遍真理.如: The earth goes round the sun. 3.表示在现在时间里所发生的一个动作 .如:Here comes the train. 4.在时间和条件状语从句中代表一般将来时 . 如:I'll go with you if you are free tomorrow.
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一般现在时 动词碰到第三人称单数时,要加 “s” work -> works
辅音字母和“y”结尾的词,如carry -> carries 以s、x、ch、sh结尾的加“es”,如wash -> washes go -> goes do -> does have -> has
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一般现在时 例句 He goes to school on foot every day.
We often have supper at home. She doesn’t do her work every Sunday.
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现在进行时 结构:am/is/are + 动词的-ing形式 用法:
1.表示目前发生(进行)的动作(不指状态),常用时间状语有:now,at the moment 等,并常出现在祈使句的句子中,与 look, listen连用. eg. Are you writing a letter to your father at the moment? Listen! She is singing in the next room. 2.表示目前阶段正在进行,而此刻不一定在进行的动作. eg. They are planting trees these days.
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现在进行时 3.表示按计划或安排即将进行的动作,表示这种动作的动词有:come, go, leave, arrive, start, see等,并常与表示将来时间的状语连用. eg. They are leaving for Australia tomorrow afternoon. 注意: 某些表示感觉或状态的动词,如 love, like, prefer, hate, see, know等一般不用现在进行时. eg. Lucy prefers art to science.
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一般将来时 一般将来时表示将来发生的动作或存在的状态 结构: 助动词shall/will + 动词原形(shall一般用于主语是第一人称时,
否定式:主语+shall/will+not+动词原形+其他. 疑问式:Shall/Will+主语+动词原形+其他 简略回答:(肯)Yes,主语+shall/will . (否)No,主语+shall/will+not … 缩写形式: 'll ==shall/will shan't== shall not won't == will not
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一般将来时 用法: 1. 表示将要发生的动作或情况,常用时间状语有: later (on), soon,
in a month, next time, from now on, tomorrow等. 如. I shall be eighteen years old next year. 2.表示某种必然的趋势 如Fish will die without water. 解析: 1. 在以第一人称为主语的问句中,常用 shall 表示提议和询问情况,在以第二 人称作主语的问句中,用will 表示请求. 如. Where shall we have the meeting? Will you please lend me your pen?
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一般将来时 2.当主语是第一人称时,用will 表示意愿.决心.允诺.命令等.
如 I will give you an English--Chinese dictionary for your birthday. 3.在时间或条件状语从句中,一般用一般现在时代替一般将来时. 如 Tom will write to me when he gets there. 4.be going to +动词原形也可表示将来时. (1).表示主观意愿.打算等. eg. He's going to learn English next term. (2).根据已有迹象,可能要发生的情况 eg. Look at the black clouds! ----It is going to rain.
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一般过去时 一般过去时表示过去发生的动作或存在的状态,一般过去时通常由动词的过 去式表示。 结构:
1.动词的第一、三人称单数用was,其他人称用were,其肯定式,否定式, 疑问式和简略回答形式与一般现在时相似。 2.行为动词的过去式分为规则和不规则两种, 规则动词的过去式是在动 词后加-d或-ed,不规则动词参照不规则动词表,需要专门记忆。 肯定式:主语+动词的过去式 + 其他
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一般过去时 如:I got up at six this morning. 否定式:主语 + did not + 动词原形 + 其他
如:John didn't live here last year. 疑问式:Did + 主语 + 动词原形 + 其他 如:Did you see him a moment ago? 简略回答.(肯)Yes, 主语 +did (否)No , 主语 + didn't. 用法: 1.主要用于过去某个时间发生的动作或状态. 如.My father was at work yesterday. 2.表示过去经常或反复发生的动作,常与often,always 等表示频度的 时间状语连用. 如,He always went to work by bus last summer.
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一般过去时 3.和when等连词引导的状语从句连用.
如.When she reached home, she had a short rest. 4.常与表示过去的时间状语, 如… ago, yesterday, last week, in the old days, when I was five years old, in 1995 等连用. 如They began the work two months ago. Were you born in 1981? Yes, I was.
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现在完成时 动词变化 动词变成过去分词加ed 动词由have(has)+ 过去分词 构成 Play -> played
辅音字母和“y”结尾的词,如carry -> carried 重读闭音节的单词,双写最后一个字母,再加ed stop -> stopped 不规则动词见书后动词表 动词由have(has)+ 过去分词 构成
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现在完成时 表示动作已经完成 He has left . I have already had a rest. 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) He has been away for two days. I have already taught in this school since 1990. The bird has been dead for a month. We have made lots of friends since we came here.
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过去进行时 指在过去的某一个时间正在发生的动作。 时间状语 动词由be动词+动词ing形式构成 例句
at this time yesterday at five o’clock yesterday afternoon 动词由be动词+动词ing形式构成 例句 He was watching TV at this time yesterday.
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过去将来时 指对过去的某一个时间来讲,将要发生的动作。 动词由would+动词原型构成。 例句
He would go to the park the next day. He said he would work hard next term.
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过去完成时 指对过去的某一个时间来讲,已经发生的动作。 动词由had+过去分词构成。 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.
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