初中英语八种时态讲解(课堂PPT)
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英语时态8种基本时态讲解.ppt课件
4）动词过去式变化规则。 a)一般情况下的词加-ed. work---worked call----called b)以不发音的字母e结尾的单词直接加-d . live----lived change----changed smoke----smoked die----died graduate----graduated drive----drove
8.过去完成时 表示动作发生在过去某一时间之前已经完成的动作或状态， 强调“过去的过去”， 常与 by the time, by the end of…,before , by 等引导时间的状语连用。
基本结构 主语+ had + 动词过去分词 + 其他成分 When I got to the cinema yesterday the film had begun already. He had learned English before he came here.
现在完成时与一般过去时的区别： 1)现在完成时侧重于对现在的影响；而一般过去时侧重于某一动作发生在过去某个时间或某段时间。即现在完成时侧重于现在的结果，而一般过去时侧重于动作发生的时间。例如：
I have seen the film. 我看过这部电影。(现在我仍记得电影的内容) I saw the film three days ago. 三天前我看了这部电影。(强调是三天前,而不是别的什么时候看的电影)
be going to含有“打算，准备”的意思，而will则没有这个意思， She is going to lend us her book. He will be here in half an hour.
be about to＋V.原形（意为马上做某事，在时间上指最近的将来） I am about to leave school. 不能与表示时间的副词连用。 They are about to set out.(√) They are about to set，变y为i加-ed. study----studied carry----carried cry----cried try----tried d)以元音字母＋y结尾的单词直接加-ed. play----played stay----stayed
8.过去完成时 表示动作发生在过去某一时间之前已经完成的动作或状态， 强调“过去的过去”， 常与 by the time, by the end of…,before , by 等引导时间的状语连用。
基本结构 主语+ had + 动词过去分词 + 其他成分 When I got to the cinema yesterday the film had begun already. He had learned English before he came here.
现在完成时与一般过去时的区别： 1)现在完成时侧重于对现在的影响；而一般过去时侧重于某一动作发生在过去某个时间或某段时间。即现在完成时侧重于现在的结果，而一般过去时侧重于动作发生的时间。例如：
I have seen the film. 我看过这部电影。(现在我仍记得电影的内容) I saw the film three days ago. 三天前我看了这部电影。(强调是三天前,而不是别的什么时候看的电影)
be going to含有“打算，准备”的意思，而will则没有这个意思， She is going to lend us her book. He will be here in half an hour.
be about to＋V.原形（意为马上做某事，在时间上指最近的将来） I am about to leave school. 不能与表示时间的副词连用。 They are about to set out.(√) They are about to set，变y为i加-ed. study----studied carry----carried cry----cried try----tried d)以元音字母＋y结尾的单词直接加-ed. play----played stay----stayed
初中英语八大时态-讲解ppt课件
例题
Li Ming didn’t understand what American people
said,_____?
A.couldn’t he
B.could he
C.didn’t he
精选PPT课件 D.did he
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三、现在进行时
1.用法：
A.现刻动作：目前正在发生的动作。
B.现阶段动作：目前一个时期一直在进行的 动作，此刻不一定在进行。
I have worked.
I had worked.
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•各种时态的用法
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一、一般现在时
1.用法：A.现在经常性的动作或状态 B.客观事实和真理。
2.标志词:always, usually,often, sometimes, never, every day /week /month/year/…
例句：I am working.
例句：I was working.
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一般将来时， 将 will加原型。 来 过去将来时，
would加原型。
I will work.
I would work.
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完 成
现在完成时， have/has加过分。 过去完成时，
时 had 加过分。
tomorrow,in three days,in (the)
future,next week/month/term…,
from now on 精选PPT课件
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4.shall/will/be going to之间的区别：
shall往往用于第一人称疑问句, will可用于任何人称。
八大时态讲解(共26张PPT)
He is going to buy her some flowers.
0 一般过去将来时：
He was sixty-eight. In two years he would be seventy.
I knew you would agree.
0 现在英进行语时的： 动词时态（进行） What are you doing?
算；
如：I am going to listen to music. (我打算听音乐） will /shall 表示未事先思考或为计划过的意图
如：It will be Christmas soon .(很快就圣诞节了）
4. 现在进行时态( The Present Continuous Tense )
5、我们离开广州六年了。
We have left Guangzhou for 6 years . ×
We have been away from Guangzhou for 6
years .
3.常见句型
1) 主句(现在完成时)+since 从句(一般过去时).
2） It is +一段时间+ since 从句(一般过去时).
has gone to
He said had seen this morning, …ago, etc
that he _________the film many 如果明天不下雨，我们将去野营。
He has borrowed the pen for three days .
times. 现在进行时态( The Present Continuous Tense )
was /were going to +动词原形
0 一般过去将来时：
He was sixty-eight. In two years he would be seventy.
I knew you would agree.
0 现在英进行语时的： 动词时态（进行） What are you doing?
算；
如：I am going to listen to music. (我打算听音乐） will /shall 表示未事先思考或为计划过的意图
如：It will be Christmas soon .(很快就圣诞节了）
4. 现在进行时态( The Present Continuous Tense )
5、我们离开广州六年了。
We have left Guangzhou for 6 years . ×
We have been away from Guangzhou for 6
years .
3.常见句型
1) 主句(现在完成时)+since 从句(一般过去时).
2） It is +一段时间+ since 从句(一般过去时).
has gone to
He said had seen this morning, …ago, etc
that he _________the film many 如果明天不下雨，我们将去野营。
He has borrowed the pen for three days .
times. 现在进行时态( The Present Continuous Tense )
was /were going to +动词原形
初中英语八大时态课件
典型例句
I have just finished my homework. 我刚刚完成了 我的作业。
She hasn’t seen the film yet. 她还没有看过这部电影 。
Have you ever been to Europe? 你曾经去过欧洲吗 ？
They haven’t had any success so far. 他们到目前 为止还没有任何成功。
典型例句
总结词：用来说明一般过去时的用法和形式。
详细描述：以下是一些典型例句，说明一般过 去时的用法和形式
I played tennis yesterday.（我昨天打网球了。）
They visited the museum last week.（他们 上周参观了博物馆。）
We went to the party last night.（我们昨晚 参加了聚会。）
用法
主要用于描述现在正在发生的事情，也可以用于描述最近一段时间内发生的事情 ，强调现在的情况或状态。
动词形式
基本形式
be动词+动词的现在分词
肯定式
am/is/are+动词的现在分词
否定式
am/is/are+not+动词的现在分词
疑问式
把be动词提前到句首，其他部分按 顺序排列
典型例句
I am studying English now.（我现在正在学习英 语。）
总结词
表示过去发生的动作对现在产生的影响或结果
详细描述
现在完成时是指动作发生在过去，但这个动作对现在产生了 一定的影响或结果。这个时态常与“已经”、“刚刚”等词 连用，强调的是现在的情况或结果。
动词形式
英语八大时态PPT课件(详细版)
come)
The perfect tense is formed by combining the presentation
particles of the verb with have or has (e.g., he has gone, she has come)
The Composition of the Eight Tenses in English
03
Examples
I have studied, They have played, He has written
Present simple tense
Definition
The present simple tense is used to express an action that is verbal, generic, or not emphasizing time
VS
Tense can be classified into two categories: simple tense and complex tense Simple tense includes present, past, and future tense, while complex tense includes the perfect, the superior, the future perfect, and the conditional perfect tense
Conditional Perfect Tense
It is used to express actions or events that would have been completed in the past if a condition had been met
The perfect tense is formed by combining the presentation
particles of the verb with have or has (e.g., he has gone, she has come)
The Composition of the Eight Tenses in English
03
Examples
I have studied, They have played, He has written
Present simple tense
Definition
The present simple tense is used to express an action that is verbal, generic, or not emphasizing time
VS
Tense can be classified into two categories: simple tense and complex tense Simple tense includes present, past, and future tense, while complex tense includes the perfect, the superior, the future perfect, and the conditional perfect tense
Conditional Perfect Tense
It is used to express actions or events that would have been completed in the past if a condition had been met
初中8个时态 ppt
一般现在时用法 习惯活动 现在情况 客观事实 主将从现
I get up at six every morning. They are very busy. He needs help. The moon moves round the earth. We’ll go there if it doesn’t rain. He’ll call you when he arrives.
现在完成时用法
I can’t find my pen. I have lost 过影响现 it. Have you finished it yet ? He has worked here for a year. 过延到现 I have been in this school since 1999 . He has been to China twice. 两“去” He isn’t here. He has gone to the library.
①一般现在时：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。动词写原形或第三人称单数 形式，即主语为第三人称单数时，动词一般要加-s/es, 与名词复数规则构成类似。如果动词为行为动词，构 成问句、否定句需加助动词/do/does；一般现在时的 时间标志词有： often,always,sometimes,usually,every day,on Sundays等；另外表示主语具有的性格、能力、特征， 表客观事实和普遍真理，表现在发生的具体动作等也 用一般现在时；在时间和条件状语从句中常用一般现 在时代替一般将来时；预先计划安排好的将来行为也 可用一般现在时；状态感觉动词如：be,love,want, hope,understand等只用一般现在时，不用进行时。
过去完成时，表示在过去某一时间或动作之 前已完成的动作或存在的状态。过去完成 时的构成为：had+done；过去完成时的时 间状语常用by加过去点时间，by the end of 加过去段时间，before加过去点时间表 示，有时用when，before，after等引导的 时间从句中。
初中英语八种时态解PPT课件
什么情况下用？
①表示经常或习惯性的动作或存 在的状态。②表示主语通常的能 力、兴趣爱好、和性格特征。③ 表示客观的事实或真理。④表示 按照时刻表或已经计划安排好的 将来行为。（只限于是go, come, leave, arrive, begin, start, take off, stop, be等表示开始或移动意义的 词。）⑤在时间状语从句和条件 状语从句中，主句用一般将来时 (will+动词原形)，从句中用一般
1. He______(be, am, is, are) a teacher at No. 2 Middle School. 2. He______(have, has) classes in the afternoon. 3. He______(get, gets) up at half past six every morning. 4. He always _____(come, comes ) to school on time. 5. He ______(study, studies) very hard at his lesson. 6. One and two _____(be, is, are) three. 7. Blue and yellow _____(make, makes) green. 8. The earth _____(move, moves) round the sun. 9. I will go there if I ____( be, will be, am, is, are) free tomorrow.
初中英语八种时态解
一般现在时 一般过去时 现在进行时 过去进行时 现在完成时 过去完成时 一般将来时 过去将来时
一般现在时
一、一般现在时：
初中英语语法—时态(28张) PPT课件 图文
(4)现在完成时与表示一段时间的for短语、since短语或从句等 时，应注意句中的谓语动词须是延续性的，而不能是非延续性动词，如 come→be here，go→be there，die→be dead，borrow→keep，buy→h ，join→be in，leave→be away，begin to study→study等。
6．过去进行时
(1)概念：表示过去某一时刻或某一时间段内正在进行的动作。 (2)构成形式：was/were＋动词的-ing形式 ①表示往返、位移的动词的过去进行时常可用来表示过去将来时
时态 We wanted to tell her that the train was_leaving an hour later.
1．一般现在时
基本用法： (1)表示经常性、习惯性的动作； He always helps others. 他总是帮助别人。
时态 (2)表示现在的情况或状态；
He is a teacher. 他是个老师。 (3)表示客观事实和普遍真理。 The sun rises in the east. 太阳从东边升起。 构成形式：am/is/are或实义动词的原形(主语是第三人称单数时，动 词要用第三人称单数形式)。
时态 (2)构成形式：have/has＋动词的过去分词。
(3)与现在完成时连用的时间状语有for a long time，recently，yet， lately，ever，never，already，since，by this time，before，just，in t past/last few years，since＋过去的时间点，since＋时间段＋ago，since ＋从句(一般过去时)。
表示感觉的动词。如：see，hear等。 表示喜欢或厌恶的动词。如：like，love等。 表示希望的动词。如：want，would like等。
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carry→carries
fly→flies
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1. He______(be, am, is, are) a teacher at No. 2 Middle School. 2. He______(have, has) classes in the afternoon. 3. He______(get, gets) up at half past six every morning. 4. He always _____(come, comes ) to school on time. 5. He ______(study, studies) very hard at his lesson. 6. One and two _____(be, is, are) three. 7. Blue and yellow _____(make, makes) green. 8. The earth _____(move, moves) round the sun. 9. I will go there if I ____( be, will be, am, is,
词。）⑤在时间状语从句和条件 状语从句中，主句用一般将来时 (will+动词原形)，从句中用一般
现在时表将来。（主将从现）6
当主语是第三人称 时，谓语动词要用 第三人称单数形式， 加-s/es。除此之外 都用动词原形。
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动词第三人称单数 形式变化规则
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规则
Hale Waihona Puke 例子一般在词尾加-s，(清辅音后 Play→plays 读/s/，在浊辅音后读/z/； leave→leaves 在t后读/ts/,在d后读/dz/。) swim→swims
助动词do提问，如主语为第三人称单数，
则用does，同时，还原行为动词。
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什么情况下用？
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①表示经常或习惯性的动作或存 在的状态。②表示主语通常的能 力、兴趣爱好、和性格特征。③ 表示客观的事实或真理。④表示 按照时刻表或已经计划安排好的 将来行为。（只限于是go, come, leave, arrive, begin, start, take off, stop, be等表示开始或移动意义的
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are) free tomorrow.
10. I will go there when I _____(have, will have, has) time tomorrow. 11. He won’t come to the party unless he _____(be, will be, am, is, are) invited. 12. I’ll wait here until my mother ____(come, comes, will come) back. 13. Please return the book to the library as soon as you ______(finish, finishes, will finish) reading it. 14. Once you _____(see, sees, will see) him, you will never forget him.
(day, year, month…), once a week, on Sundays,
etc.
基本结构：①be动词；②行为动词
否定形式：①am/is/are+not;②此时态的谓
语动词若为行为动词，则在其前加don't,如
主语为第三人称单数，则用doesn't，同时
还原行为动词。
一般疑问句：①把be动词放于句首；②用
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一般过去时
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概念：过去某个时间里发生的动作或 状态；过去习惯性、经常性的动作、 行为。 时间状语：ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc. 基本结构：①be动词；②行为动词 否定形式：①was/were+not;②在行为 动词前加didn't，同时还原行为动词。 一般疑问句：①was或were放于句首； ②用助动词do的过去式did 提问，同时 还原行为动词。
语法专题（一）
时态
1
一般现在时 一般过去时 现在进行时 过去进行时 现在完成时 过去完成时 一般将来时 过去将来时 2
一般现在时
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一、一般现在时：
概念：经常、反复发生的动作或行为及现
在的某种状况。
时间状语：
always, usually, often, sometimes, every week
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谓语动词使用过去式形式， 加ed，分为规则和不规则变 化。表示过去经常发生的动 作，也可用“used to do ” 和“would +动词原形”。
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构成规则
例子
一般在动词原形末尾加-ed，(在清 look→looked
辅音后读/t/；在浊辅音和元音后读 play→played
/d/；在/t/,/d/后读/id/。
变“y”为“i”再加-ed
worry→worried
cry→cried
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1. He____(be, was, were, been) here a moment ago. 2. They ____(be, was, were, been) here just now. 3. The scientists _____(leave, leaves, leaved, left) for America yesterday. 4. Last week we ______(visit, visited ) the Science Museum. 5. When I was a child, I often ____(play, played) football. 6. The students ran out of the classroom as soon as the bell ____(ring, rang, rung).
以字母s, x, ch, sh, o结尾的词 加-es，读/iz/,如果动词原形 词尾已有e,则只加-s。
pass →passes fix→fixes teach→teaches wish→wishes do→does
以辅音字母加y结尾的词 ，先变y为i, 再加-es,读/z/
study→studies
work→worked
结尾是e的动词在末尾加-d
like→liked live→lived hope→hoped
末尾只有一个辅音字母的重读闭音 plan→planned 节，先双写这个辅音字母，再加-ed stop→stopped
drop→dropped
结尾是“辅音字母＋y”的动词，先 study→studied