2014年初中三年级英语教案When was it invented?SectionA

【学习目标】

学习一般过去时的被动语态和特殊疑问句。

【预习导学】

将下列短语或句子翻译成英语：

发明物 n.____________ 发明 v._______________

个人的 adj._____________ 个人 n.______________

被用来做……_________________ 舀出 _____________

可调节的________________ 1876(英文读作)____________

1885 (英文读作)____________ 我的一些朋友___________

【合作探究】

1.被动语态的时态:

被动语态的时态通过be的变化来体现，它必须与主语的人称、数一致。

以下是几种常用的被动语态:

(1)一般现在时的被动语态: am / is / are + 动词的过去分词。

Eg：This book____________ _____________ in two languages.

这本书是用两种语言写的.

(2) 一 教学资源下载，还有大量而丰富的教学相关资讯!">般将来时的被动语态: will / be going to + be + 动词的过去分词.

Eg: The project will____________ ____________ next month.

这项工程下个月就完工.

(3) 一般过去时的被动语态: was / were + 动词的过去分词.

Eg: The classroom_____________ _____________ three days ago.

教室是三天前被打扫的.

(4) 含有情态动词的被动语态: 情态动词 +be +动词的过去分词.

Eg: The classroom ______________ ______________ ______________every day.

教室应该每天都被打扫.

2. be used for意为 “被用来做…”

for表用途,后跟名词或动名词.

拓展:

be used as意为 “被用作… …”,as表 “作为”，后跟名词;

be used to do意为 “被用来做… …”, 强调动作;

be used by 意为 “被… …使用”,by后跟动作的执行者;

be used to doing意为 “习惯做某事” to 为介词,后跟名词/代词/doing;

used to do“过去常常干某事”。

用as,for,to,by填空。

(1)The stone is so big that it can be used_____________a desk.

(2)E-mail English is used_______________many young people.

(3)Wind can be used_________________produce electricity.

(4)The knife can be used_______________cutting things.

(5)Many old people are used_______________getting up.

(6)There used_______________be a school here in the past.

3.invent v.“发明”;_____________n.“发明物”; __________ n.“发明家”。

Edi son is regarded as a great ___________ and he ___________ over 1000___________________all his life.

4. 由-able 后缀构成的形容词。

1)动词+able→形容词，表“可…的”

adjust→可调节的_____________read→__________ change→____________

2)名词+able→形容词，表“具有…的”

reason→有理由的__________ knowledge→__________

【随堂检测】

一.根据句意及提示完成句子。

1.Wood can________________________(被用于) making pap er.

2. Could you please show me how to o________ the new machine?

3. The book was____________________(write) by Lu Xun.

4.The telephone_____________________________(发明) in 1876

二.单选

( )1.--Look at th e sign on the rig ht.

--Oh, smoking ____ here.

A .doesn’t allow B. isn’t allowed

C. didn’t allow D. wasn’t allowed

( )2. --Will you come to the dinner party?

--I won’t come unless Jim ______.

A. can’t be invited B. was invited

C. will be invited D. is invited

( )3.Most of rice in China in the South。

A.are grown B.is grown C.grow D.grown

( )4.---Linda, you on the phone.

---I’m coming, thank you.

A. want B. are wanted C. have wanted D. wanted

( )5. In the modern world, cars are more and more widely in people’s lives.

A.use B.using C.used D.to use

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