人教版九年级unit4教案完整版

（一）used to 的用法

：

used to意为“过去常常”, 用于表示过去习惯性的动作或存在的状态, 强调与现在的对比, 暗示现在不做了。to为不定式符号, 后跟动词原形。used to只用于一般过去时态, 没有人称和数的变化。

We used to play the drums together.

我们以前一起打鼓。

Gina used to be a shy girl, but now she’s outgoing.

吉娜以前是个害羞的女孩, 但是现在她很开朗。

（二）used to的句式变化

1. 否定句

主语+ used not to do sth.

主语+ didn’t use to do sth.

Mike used not to study hard.

= Mike didn’t use to study hard.

迈克过去不努力学习。

2. 一般疑问句

Did + 主语+ use + to do…?

答语：Yes, sb. did. / No, sb. didn’t.

—Did you use to go to museums? 你以前常去博物馆吗？

—Yes, I did. / No, I didn’t. 是的。/ 不是。

3. 反意疑问句

主句，didn’t + 人称代词？/did +人称代词？

Your brother used to have noodles for breakfast, didn’t he?

你哥哥过去早餐常吃面条，不是吗？

He used to smoke，didn't he？

They usedn't to like opera，did they？

e ... to do ... “用……做……”, to 为不定式的符号。

We use this knife to cut fruit. 我们用这把刀来切水果。

2.物+ be used to do “被用来做……”, 被动语态结构, to后跟动词原形。

This knife is used to cut fruit. 这把刀用来切水果。

3.人+ be/get used to + n. / pron. / v.-ing

随堂练习：

一．词汇精讲

“习惯于……”, to是介词, 后接名词、代词或v.-ing。可用于各种时态。

My dad is/gets used to getting up early every day.

我父亲习惯每天早起。

I've got used to being a vegetarian．我已经习惯吃素食。

He is used to hard work．他习惯于艰苦工作。

1. Mr Black _________________ (以前是一位医生), but now he is a singer.

2. Did your father ______________ (过去常常看电视) after supper?

3. You used to have long curly hair, ___________ (不是吗)?

4. I _______________________ (以前常常骑自行车去上学), but now I _________________________ (习惯走着去).

5. Jeff __________________ (以前是个记者), but now he is a teacher.

6. Mrs. Hand _________________ (过去常常散步) after dinner.

7. Paul _________________ (以前常常吃午饭) in the restaurant,but now he _______________________ (习惯吃午饭) at home.

8. The house _______________ (被用来住).

9. Mother used to grow flowers in her garden. (改为否定句)

Mother _____________ grow flowers in her garden.

10. Bill used to collect stamps when he was in middle school. (改为一般疑问句)

_____________ collect stamps when he was in middle school?

1.seldom adv. 频度副词不常；很少

通常放在be动词、助动词或情态动词之后，实义动词之前。

She seldom goes out after ten o’clock. 十点后，她很少外出。

He is seldom late for school. 他很少迟到。

1) I don’t think fast food is good for our health, so I ______ go to MacDonald.

A. seldom

B. always

C. usually

D. often

2) —I didn’t know you go to school by taxi.

—Oh, I ____ take a taxi to school, but my bike needs repairing.

A. always

B. sometimes

C. often

D. seldom

2.influence v.& n. 影响

influence可用作动词，其后接名词或动词不定式的复合结构。

influence可用作名词，常用于have / has an influence on ...或be an influence on ...结构。

Lu Xun’s works have strongly influenced millions of people.

鲁迅的小说影响了数以万计的人。

What influenced Mike to make that decision?

什么影响了迈克，让他做出了那个决定？

Cell phones have an important influence on our life.

手机对我们的生活影响很大。

Their mother is a good influence on their habits.

他们的母亲对他们的习惯有好的影响。

1) 老师对学生有很大的影响。

Teachers __________ a great _____________students.

2) 受父母的影响，李梅成为了一名医生。

Li Mei’s parents __________ her ________ a doctor.

3) 他的成功影响了其他的工人。

His success _______________________.

3.fail用作动词, 可以意为“不及格”, 此时既可以作及物动词, 也可以作不及物动词。

I failed the English exam.

What will you do if you fail this time?

fail还可以意为“失败; 未能(做到)”, 表示“在某一方面失败”时, 常与介词in连用; 表示“未能做某事”时, 常与动词不定式连用,即fail to do sth.。

I don’t know she failed in the driving test.

My cousin failed to get into Art College.

The car failed _______ at the red light. (to stop / stopping)

Sandy was sad because she failed ___ business. (with / in)