五年级语法知识点(时态)

五年级语法知识点（时态1）

一．一般现在时

1.何时用得到?

表示经常性、习惯性的动作以及状态；

表示事物的特征和状态；

表示客观存在的规律及普遍真理；

表示格言和警句

2.标志词：

Sometimes=at times,Often,usually,always 补充：seldom;never

On Mondays/Tuesdays……（星期）

Every day,every morning/day/week/month/year

In the morning/afternoon/evening;at night

Once a day/week/month

3.be动词构成的一般形式

（1）肯定句 ：主语+am/is/are+其他

（2）否定句/否定形式：主语+am/is/are+not+其他

（3）一般疑问句:__________________________

（4）否定回答/肯定回答：________________________

It is the best time for us to go to Beijing.

实义动词构成的一般形式

（1）肯定句：主语+动词原形或者三单形式+其他

（2）否定句/否定形式：主语+don’t/doesn’t+动词原形+其他

（3）一般疑问句：__________________

I eat dinner at 7 o’clock in the evening.

I usually do morning exercises at 8 o’clock.

He loves playing basketball after school.

4.特殊疑问句：

（1）when 引导的特殊疑问句，就时间进行回答

When do you eat dinner?

（2）what 引导的特殊疑问句，就干什么和具体内容进行回答

What do you usually do at weekends?

What does he like to eat?

What’s the weather like in fall in Beijing?

(3)which 引导的特殊疑问句，就哪一个进行回答

Which season do you like best?(有限定范围)

区别：What is your favourite season?

(4)why 引导的特殊疑问句，就原因进行回答

Why do you like summer?

二．一般过去时

1.何时用得到？

表示在过去的某一个时间或者地点所发生过的事情。由动词的一般过去时体现。

实义动词的过去时没有人称和数的变化

2.动词过去时的变法

（1）be 动词的过去时

Am/is/are 如何变

(2) 情态动词的过去时

Can /may/shall 如何变

注意：有些情态动词过去时不表示过去，表示委婉的语气

(3) 规则动词的过去时

一般词尾加-ed

Stay,live

e结尾的只加-d

Dance

辅音字母结尾词，前面有原音，重读闭音节先双写，然后才能加d。

Stop

辅音字母+y结尾，去掉y变i加ed.

Study

3.标志词

Yesterday;the day before yesterday

Last+时间（week/month/year);时间+ago

In+过去时间

long long ago=once upon a time

Before;just now

At that time ;this morning

4.结构

（1）肯定句：主语+行为动词过去时+其他

I wanted to be a policeman two years ago.

Peter sent a beautiful card to Mary yesterday.

主语+Be 动词过去时+其他

（2）否定句：主语+didn’t+行为动词的原形+其他

Was/wasn’t+其他

(3)一般疑问句：__________________________________

小练习：

1.The children visited the museum last week.

否定句：______________________________________

一般疑问句：____________________________________

肯定回答/否定回答：______________________________________

2.My father forgot something important last Sunday.

否定句：______________________________________

一般疑问句；____________________________________

肯定回答/否定回答：_____________________________________

3.Jim,___________(not look)out of the window.

4.I like ________(run)best,but my friend ________(like play)football.

5.Sandy often_________(do)his homework in the library.

6.Sue _______(do)her homework this morning.

7.At that time my uncle ______(be)forty-two.

8.Lucy ______(call)home just now,but nobody ________(answer).

9._________your brother _________(like)computer games?

10.What ________your mother_________（do)? She________(be)a nurse.

11.Tom does some homework every evening.

一般疑问句：______________________________

肯定回答:_______________________________

12.I have lunch at 12:00 noon.（对划线部分提问）

_______ ______you ________ lunch？

13.Tom has seven lessons every day .（否定句)

Tom _____ ______ seven lessons every day.

14.K itty visited the Car Museum.last Sunday.(对划线部分提问）

__________ __________ did Kitty visit last Sunday?

15.Put some candles inside the oranges.(否定句）

________ put ________ candles inside the oranges.

16.It is time to have dinner.(改为同义句）

It is ______ ______ dinner.