小学四种时态讲解

一般现在时:

用法:①现阶段经常性、习惯性动作, 常与表示频度的时间状语连用。

时间状语:often,always,sometimes,usually,never,every day,every year,on Sundays,twice a year

②表经常或习惯性的动作:

如I get up at 6:30 every day.

③目前的状态;

如:My pen is very new.

④客观真理;

如:The earth moves around the sun.

二.一般现在时中第三人称单数作主语时,谓语动词的变化规则:

1. 一般情况下,直接加s 。如:get---gets read---reads

2. 以o 、s 、x.sh 、ch. 结尾的动词,加es 。如:do---does box--boxes watch--watches go-goes dress--dresses

3. 辅音字母加y 结尾,改y 为i ,加es 。如:study---studies carry---carries 除去元音字母(a e i o u)都是辅音

4. 元音字母加y 结尾,直接加s 。如:enjoy---enjoys fly---flies carry--carries

三.一般现在时间的构成:

(一)系动词be 一般现在时

构成:主语+be+其他(be 动词取决于主语是单数还是复数)

The girl is my friend.

否定:主语+be+not+其他(is not=isn’t,are not=aren’t,am not=’m not) I am not from Beijing.

She is not tall.

We are not scientist.

(二)情态动词的一般现在时:

构成:主语+情态动词+动词原形+其他

They can speak English.

否定:主语+情态动词+not+动词原形+其他(can not=can’t)

He can’t play the piano.

注意:情态动词后面的动词要用原形。

(三)行为动词的一般现在时。

构成:主语+行为动词+其他

These boys like playing football.

The girls reads English every morning.

She has a beautiful mobile phone.

否定:主语+助动词(do/does)+not+行为动词+其他

These boys/They don’t like playing football.

He/she/the girl/my sister doesn’t read English every morning.

I/you/we/they/he/she+do not+动词原形===I don ’t/you don ’t/we don ’t/they don ’t+动词原形

he/she/it+does not+动词原形===he doesn’t/she doesn’t/it doesn’t+动词原形

. 一般现在时的一般疑问句:

(1)助动词(Do/Does)+人称+动词原形

陈述句变一般疑问句:

The boys like TV plays.

Do the boys like TV plays? Yes,they do.

The boy likes TV plays.

Does the boy like TV plays?No,he does.

I have English class on Mondays.

Do you have English class on Mondays? No, we don't.

He plays football everyday.

Does he play football everyday? Yes,he does.

(2)否定句:人称+助动词的否定形式(don't/doesn't)+动词原形

The boys don't like TV plays.

The boy doesn't like TV plays.

They don't go to school at the weekend.

He doesn't have English class on Sunday.

注意:助动词一出,后面动词用原形。

(3)把be 动词移到主语的前面,Be 动词+主语+其他

陈述句You are a student. Are you a student?Yes,Iam.

He is a boy. Is he a boy? Yes,he is.No,he isn't. I am from China. Are you from China?

(4)情态动词+主语+动词原形

陈述句 I can speak English. Can you speak English? Yes,I can. No ,I can't.

She can dance well. Can she dance well? Yes ,she can./No,she can't.

秘诀:一调二改三问号:

一调:即把句中的be 动词或者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 our 等第一人称分别改成相应的第二人称,you your .

三问号:句末的句号改成问号。

现在进行时的构成:

1. 现在进行时定义:表示正在进行的动作或正在发生的动作

2. 标志词:

时间状语:now, at the moment, right now, these days、、、

句前提示词:look 、listen 、、、

2. 现在进行时的构成:主语+be(am/is/are)+V-ing(现在分词) 形式

第一人称:

单数 I+am+V-ing

Eg:I am reading English at the moment.

I am listening to the music now..

I am running with my friend these days..

复数We+are+V-ing

Eg:We are sitting under the tree.

We are having an English class.

We are playing football on the playground

第二人称:

单数 复数 You+are+V-ing

Eg;You are helping the farmers work on the farm.

You are listening to me carefully.

第三人称:

单数 He(she.it)+is+V-ing

Eg;He is waiting for you at the school gate.

She is sleeping at the moment.

It is raining now,

复数 They+are+V-ing

Eg:Listen!They are singing a song.

They are cleaning the room at the moment.

3.一般疑问句:是将be 动词移到主语前面,句末加问号,读升调。 一般疑问句构成形式:be(is/am/are)+主语+现在分词

Eg;Is she reading English under the tree?

肯定回答:Yes, 主语+am/is/are

否定:NO, 主语+am/is/are+not

4. 特殊疑问句:特殊疑问词+相应的be 动词+主语+现在分词+sth

Eg:What are you doing now?

(二) 、动词-ing 的构成规则:

1. 直接+ing:going 、sleeping 、reading

2. 去掉不发音的e 结尾,去e 加ing: live-living 、love-loving 、make-making

3. 对于重度闭音节词,双写末尾的辅音字母,再加ing: sitting、beginning 、getting

4.特殊的以ie 结尾的,先把ie 改成y 再加ing :lie-lying 、die-dying

(三)口诀

现在分词构成口诀:

现在分词很好记,动词后缀-ing 。直接加,去e 加,双写加。

还有一点要注意ie 要用y 来替。

现在进行时用法口诀:

主语在前be 在后,现在分词跟着走,其他成分不可丢,变一般很简单,把be 提到句子前,否定句也不难,be 后要把not 添,还有一点要注意,动作提问doing 替。

一般将来时

一. 意义:

表示将来某个时间要发生的动作,常与表示将来的时间状语连用。如tomorrow , soon ,next Monday , next year , next weekend , this afternoon , this

主语+will+动词原形+其它成份 I (shall) write to him next week. 下周我将给他写信。

主语 + will + not + 动词原形 +其它成份 They won’t watch TV this evening.今天晚上他们不看电视。

主语 +动词原形+其它成份 Will you stay at home with us tomorrow?明天呆在家里好吗?

(Wh-) +一般疑问句

+ be(am /,is,/ are) going to +动词原形+其它 My sister is going to learn English next year.姐姐准备明年学英语。

+be(am / is / are)not going to +动词原形+其它 I am not going to the cinema tonight. 我今天晚上不去看电影。

主语+going to+动词原型+其它? Is your father going to play basketball with you ? No , he isn’t.

(Wh-)+一般疑问句 ? Whre are you going to spend Spring Fesital?春节你打算在哪过?

① shall只用于第一人称(I/We)用于提出建议或请求

eg:Shall I open the window?

Shall we have two glasses of water?

Shall not=shan’t

②will 用于第二,三人称

will not=won’t

4. 否定形式:主语+will/shall+not+do

eg :He will not play basketball with me this afternoon . 主语+be+not+going to+do

eg:We are not going to get up early tomorrow.

5. 一般现在时的一般疑问句:will/shall+主语+do

eg:Will you help me with maths?

be+主语+going to+do

eg:Are you going to play with your friend? 回答:(肯定)Yes, 主语+will/shall

(否定) No,主语+will/shall not.

6. 特殊疑问句:疑问词+will/shall+主语+do

eg:What will you do in the future?

疑问词+be+主语+going to+do

eg:What are you going to do next week

eg:Where are you going later?

eg:When is she going to bed?

一般过去时

用法:①过去发生的动作;

②过去存在的状态。

一般过去时中,动词过去式的构成规则

1. 一般情况下,直接加ed 。如:visit---visited

2. 以不发音的e 结尾,加d 。如:live---lived

3. 以辅音字母+y结尾,把y 改成i ,加ed 。如:study---studied

4. 以元音字母+y结尾,直接加ed 。如:play---played

5. 重读闭音节结尾的词,双写末尾字母加ed 。如:stop---stopped

6. 不规则变化,如:go---went

否定句:主语+didn’t+动词原形+其他

主语+wasn’t/weren’t+其他

如:I didn’t go to the park yesterday.

They weren’t free yesterday.

一般疑问句:Did+主语+动词原形+其他

Was/Were+主语+其他

如:Did you go to the park yesterday?Yes,I did./No,I didn’t.

Were they free yesterday?Yes,they were./No,they weren’t.

特殊疑问句:疑问词+一般疑问句

如:What did you see in the zoo?

Who were at home last night?

常用时间状语: yesterday,three months ago,last week/year,in 1990 例句:He always went to work by bus last year.

Han Meimei was in the classroom a moment ago.

When did you meet him?

一般现在时:

用法:①现阶段经常性、习惯性动作, 常与表示频度的时间状语连用。

时间状语:often,always,sometimes,usually,never,every day,every year,on Sundays,twice a year

②表经常或习惯性的动作:

如I get up at 6:30 every day.

③目前的状态;

如:My pen is very new.

④客观真理;

如:The earth moves around the sun.

二.一般现在时中第三人称单数作主语时,谓语动词的变化规则:

1. 一般情况下,直接加s 。如:get---gets read---reads

2. 以o 、s 、x.sh 、ch. 结尾的动词,加es 。如:do---does box--boxes watch--watches go-goes dress--dresses

3. 辅音字母加y 结尾,改y 为i ,加es 。如:study---studies carry---carries 除去元音字母(a e i o u)都是辅音

4. 元音字母加y 结尾,直接加s 。如:enjoy---enjoys fly---flies carry--carries

三.一般现在时间的构成:

(一)系动词be 一般现在时

构成:主语+be+其他(be 动词取决于主语是单数还是复数)

The girl is my friend.

否定:主语+be+not+其他(is not=isn’t,are not=aren’t,am not=’m not) I am not from Beijing.

She is not tall.

We are not scientist.

(二)情态动词的一般现在时:

构成:主语+情态动词+动词原形+其他

They can speak English.

否定:主语+情态动词+not+动词原形+其他(can not=can’t)

He can’t play the piano.

注意:情态动词后面的动词要用原形。

(三)行为动词的一般现在时。

构成:主语+行为动词+其他

These boys like playing football.

The girls reads English every morning.

She has a beautiful mobile phone.

否定:主语+助动词(do/does)+not+行为动词+其他

These boys/They don’t like playing football.

He/she/the girl/my sister doesn’t read English every morning.

I/you/we/they/he/she+do not+动词原形===I don ’t/you don ’t/we don ’t/they don ’t+动词原形

he/she/it+does not+动词原形===he doesn’t/she doesn’t/it doesn’t+动词原形

. 一般现在时的一般疑问句:

(1)助动词(Do/Does)+人称+动词原形

陈述句变一般疑问句:

The boys like TV plays.

Do the boys like TV plays? Yes,they do.

The boy likes TV plays.

Does the boy like TV plays?No,he does.

I have English class on Mondays.

Do you have English class on Mondays? No, we don't.

He plays football everyday.

Does he play football everyday? Yes,he does.

(2)否定句:人称+助动词的否定形式(don't/doesn't)+动词原形

The boys don't like TV plays.

The boy doesn't like TV plays.

They don't go to school at the weekend.

He doesn't have English class on Sunday.

注意:助动词一出,后面动词用原形。

(3)把be 动词移到主语的前面,Be 动词+主语+其他

陈述句You are a student. Are you a student?Yes,Iam.

He is a boy. Is he a boy? Yes,he is.No,he isn't. I am from China. Are you from China?

(4)情态动词+主语+动词原形

陈述句 I can speak English. Can you speak English? Yes,I can. No ,I can't.

She can dance well. Can she dance well? Yes ,she can./No,she can't.

秘诀:一调二改三问号:

一调:即把句中的be 动词或者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 our 等第一人称分别改成相应的第二人称,you your .

三问号:句末的句号改成问号。

现在进行时的构成:

1. 现在进行时定义:表示正在进行的动作或正在发生的动作

2. 标志词:

时间状语:now, at the moment, right now, these days、、、

句前提示词:look 、listen 、、、

2. 现在进行时的构成:主语+be(am/is/are)+V-ing(现在分词) 形式

第一人称:

单数 I+am+V-ing

Eg:I am reading English at the moment.

I am listening to the music now..

I am running with my friend these days..

复数We+are+V-ing

Eg:We are sitting under the tree.

We are having an English class.

We are playing football on the playground

第二人称:

单数 复数 You+are+V-ing

Eg;You are helping the farmers work on the farm.

You are listening to me carefully.

第三人称:

单数 He(she.it)+is+V-ing

Eg;He is waiting for you at the school gate.

She is sleeping at the moment.

It is raining now,

复数 They+are+V-ing

Eg:Listen!They are singing a song.

They are cleaning the room at the moment.

3.一般疑问句:是将be 动词移到主语前面,句末加问号,读升调。 一般疑问句构成形式:be(is/am/are)+主语+现在分词

Eg;Is she reading English under the tree?

肯定回答:Yes, 主语+am/is/are

否定:NO, 主语+am/is/are+not

4. 特殊疑问句:特殊疑问词+相应的be 动词+主语+现在分词+sth

Eg:What are you doing now?

(二) 、动词-ing 的构成规则:

1. 直接+ing:going 、sleeping 、reading

2. 去掉不发音的e 结尾,去e 加ing: live-living 、love-loving 、make-making

3. 对于重度闭音节词,双写末尾的辅音字母,再加ing: sitting、beginning 、getting

4.特殊的以ie 结尾的,先把ie 改成y 再加ing :lie-lying 、die-dying

(三)口诀

现在分词构成口诀:

现在分词很好记,动词后缀-ing 。直接加,去e 加,双写加。

还有一点要注意ie 要用y 来替。

现在进行时用法口诀:

主语在前be 在后,现在分词跟着走,其他成分不可丢,变一般很简单,把be 提到句子前,否定句也不难,be 后要把not 添,还有一点要注意,动作提问doing 替。

一般将来时

一. 意义:

表示将来某个时间要发生的动作,常与表示将来的时间状语连用。如tomorrow , soon ,next Monday , next year , next weekend , this afternoon , this

主语+will+动词原形+其它成份 I (shall) write to him next week. 下周我将给他写信。

主语 + will + not + 动词原形 +其它成份 They won’t watch TV this evening.今天晚上他们不看电视。

主语 +动词原形+其它成份 Will you stay at home with us tomorrow?明天呆在家里好吗?

(Wh-) +一般疑问句

+ be(am /,is,/ are) going to +动词原形+其它 My sister is going to learn English next year.姐姐准备明年学英语。

+be(am / is / are)not going to +动词原形+其它 I am not going to the cinema tonight. 我今天晚上不去看电影。

主语+going to+动词原型+其它? Is your father going to play basketball with you ? No , he isn’t.

(Wh-)+一般疑问句 ? Whre are you going to spend Spring Fesital?春节你打算在哪过?

① shall只用于第一人称(I/We)用于提出建议或请求

eg:Shall I open the window?

Shall we have two glasses of water?

Shall not=shan’t

②will 用于第二,三人称

will not=won’t

4. 否定形式:主语+will/shall+not+do

eg :He will not play basketball with me this afternoon . 主语+be+not+going to+do

eg:We are not going to get up early tomorrow.

5. 一般现在时的一般疑问句:will/shall+主语+do

eg:Will you help me with maths?

be+主语+going to+do

eg:Are you going to play with your friend? 回答:(肯定)Yes, 主语+will/shall

(否定) No,主语+will/shall not.

6. 特殊疑问句:疑问词+will/shall+主语+do

eg:What will you do in the future?

疑问词+be+主语+going to+do

eg:What are you going to do next week

eg:Where are you going later?

eg:When is she going to bed?

一般过去时

用法:①过去发生的动作;

②过去存在的状态。

一般过去时中,动词过去式的构成规则

1. 一般情况下,直接加ed 。如:visit---visited

2. 以不发音的e 结尾,加d 。如:live---lived

3. 以辅音字母+y结尾,把y 改成i ,加ed 。如:study---studied

4. 以元音字母+y结尾,直接加ed 。如:play---played

5. 重读闭音节结尾的词,双写末尾字母加ed 。如:stop---stopped

6. 不规则变化,如:go---went

否定句:主语+didn’t+动词原形+其他

主语+wasn’t/weren’t+其他

如:I didn’t go to the park yesterday.

They weren’t free yesterday.

一般疑问句:Did+主语+动词原形+其他

Was/Were+主语+其他

如:Did you go to the park yesterday?Yes,I did./No,I didn’t.

Were they free yesterday?Yes,they were./No,they weren’t.

特殊疑问句:疑问词+一般疑问句

如:What did you see in the zoo?

Who were at home last night?

常用时间状语: yesterday,three months ago,last week/year,in 1990 例句:He always went to work by bus last year.

Han Meimei was in the classroom a moment ago.

When did you meet him?


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