初中4种基本时态对比

一般现在时一般过去时现在进行时过去进行时四种时态的讲解及练习

一般现在时

【定 义】 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。即描述我们日常生活中的衣食住行等活动。

【用 法】

(1) 在实际应用中，一般现在时常与以下时间状语联用：

always, usually, often, sometimes, every week (day, year, month, once a week, on Sundays ……

例句：He usually plays football on Sundays.

(2)没有时间状语，可以分以下四种类型：

这一类型由be动词+名词、形容词、副词、代词、数词或介词短语等一起构成谓语，表示主语的个性、特征或状态。如：

①I am a student.(主语+be动词+名词)

②They are hungry.（主语+be动词+形容词）

③He is out.(主语+be动词+副词)

④That pen is mine.(主语+be动词+代词)

⑤I am fifteen.(主语+be动词+数词)

⑥The bike is under the tree.(主语+be动词+介词短语)

do型由行为动词充当谓语，表示经常性或习惯性的动作，

其构成为

。如：

①I know it.

②He believes me.

there be型句子表示―某地存在…‖，其构成为

，表示客观事实。用法遵循，即主语是单数或并列主语中的第一个主语是单数，则用there is；主语是复数或并列主语中的第一个主语是复数，则用there are。如：

（1）There is an eraser on the teacher's desk.(主语an eraser是单数)

（2）There is an orange，five apples and eight bananas in the bag.(并列主语中的第

一般现在时一般过去时现在进行时过去进行时四种时态的讲解及练习

一个主语an orange是单数)

情态动词型句子的构成为

，情态动词和动词原形一起构成谓语，表示说话人对所叙述的动作或状态的看法。如：

①He can speak a little English.(can+speak)

②May I have a book, please?(may+have)

【练 习】

一、 用所给词的适当形式填空。（Be动词）

1. Jim __________(be) a hard-working student at school.

2. __________(be) Tom and Sam in the same class?

3. Your school life __________(be) very interesting.

4. There __________(be) a pen, two rulers and some books on the desk.

5. The boys __________(be) very friendly to me.

6. Maria __________(be not) from the U.S.A.

7. __________(be) there any trees and a pool in the yard?

8. I want to __________(be) a teacher.

9. Mr. Wang can’t __________(be) at home, because the lights are off.

10. Don’t __________(be) late for school again.

二、 用所给词的适当形式填空。（情态动词）

一般现在时一般过去时现在进行时过去进行时四种时态的讲解及练习

1. My mom can __________(cook) food well.

2. Must she __________(stay) at home now?

3. What can the boy __________(do) for his parents?

4. Tom can’t __________(sing) an English song.

5. He may __________(perform) ballet at Kangkang’s birthday party.

6. She should __________(help) her parents do some housework.

三、 用所给词的适当形式填空。（实义动词）

1. Tom often __________(take) a talk after supper.

2. Tom and I usually __________(go) to school by bike.

3. Does Lin Tao __________(like) reading storybooks?

4. What classes do you __________(have) today?

5. How often does the girl __________(watch) TV?

6. Where do they __________(live) now?

7. Every year many people __________(lose) their lives in traffic accidents.

8. Sam doesn’t __________(get) up early in the morning.

9. Each of them __________(have) a nice schoolbag.

10. They each __________(sleep) late at night.

四、 句型转换。（Be动词）

1. She is in a blue dress.（变否定句）She __________ __________ a blue dress.

2. I am from Qijiang.（变一般疑问句） __________ __________ from Qijiang?

3. Are the storybooks very interesting?（否定回答）No, __________ __________.

4. His parents are both workers.（变一般疑问句______his parents ______workers?

（对划线部分提问）

__________ __________ on the shelf?

五、 句型转换。（情态动词）

一般现在时一般过去时现在进行时过去进行时四种时态的讲解及练习

1. My mother may speak a little English.（变否定句）

My mother __________ __________ speak a little English.

2. We should be careful when we cross the street.（变一般疑问句）

__________ __________ be careful when we cross the street?

3. Must I finish my homework at once?（作肯定和否定回答）

Yes, __________ __________.No, __________ __________.

（对划线部分提问）

What __________ Tom __________?

六、 句型转换。（实义动词）

1. They often play the piano loudly.（变否定句）

They __________ often __________ the piano louldy.

2. Jim learns English well.（变一般疑问）

__________ Jim __________ English well?

（对划线部分提问）

What __________ she __________ very much?

4. Do the boys usually play football after school?（作肯定回答）

Yes, __________ __________.

5. She usually does some cooking in the evening.（变否定句）

She usually __________ __________ any cooking in the evening.

6. I want to do some shopping.（变一般疑问句）

__________ you __________ to do any shopping?

（对划线部分提问）

What __________ Tom often __________ at night?

（对划线部分提问）

What __________ they sometimes __________ in the evening?

一般现在时一般过去时现在进行时过去进行时四种时态的讲解及练习

一般过去时

【定 义】

一般过去时表示过去某个时间发生过了的动作或存在过的状态。即描述已经发生过了的事情。

【时间标志性词】 yesterday，the day before yesterday, in 2010, (three days) ago, last (night, month, year, weekend), just now, 另一般过去时也表示经常或反复发生的动作，常和often, always等表示频率的时间状语连用。例如：

I always went to school on foot last year. 去年我通常走路去上学。

【用 法】

这一类型由be动词（was和were）+名词、形容词、副词、代词、数词或介词短语等一起构成谓语，表示主语以前或过去的个性、特征或状态。如：

①

主语+be动词+名词)

②

（主语+be动词+形容词）

③

主语+be动词+介词短语

)< …… 此处隐藏：14108字，全部文档内容请下载后查看。喜欢就下载吧 ……