《When was it invented?》PPT课件7
Ⅰ. 单词填写
1. 几乎; 差不多(adv. )__________________
2. 统治者; 支配者(n. )__________________
3. 煮沸; 烧开(v. )__________________
4. 保持不变; 剩余(v. )__________________
5. 气味(n. ) __________________
答案: 1. nearly 2. ruler 3. boil 4. remain 5. smell
6. 翻译(v. ) _________________
7. 锁上; 锁住(v. )_________________
8. 地震(n. ) _________________
9. 突然(的)(adj. )_________________
10. accident(n. )→__________ (adj. )意外的; 偶然的
11. nation(n. )→__________ (adj. )国家的; 民族的
12. music(n. )→__________ (adj. )音乐的; 有音乐天赋的
答案: 6. translate 7. lock 8. earthquake 9. sudden
10. accidental 11. national 12. musical
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句型填词
1. 茶是偶然被发明的。
Tea__________ invented__________ __________ .
2. 据说一位中国的统治者神农是第一个发现茶可以作为饮料喝的人。
__________ __________ __________ that a Chinese ruler called Shen Nong was the first__________ __________ tea as a drink.
答案: 1. was; by accident 2. It is said; to discover
3. 人们相信茶在第六和第七世纪被带到了韩国和日本。
__________ __________ __________ that tea__________ __________ to Korea and Japan during the 6th and 7th centuries.
答案: It is believed; was brought
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【归纳拓展】 It +be +过去分词+that从句
(1)It is believed that. . . 人们认为……
(2)It is supposed that. . . 据猜测……
(3)It is reported that. . . 据报道……
(4)It’s known that. . . 众所周知……
语法聚焦
【观察领悟】观察下列句子, 思考一般过去时的被动语态的用法。
①The computer was invented in 1976.
②The computer wasn’t invented in 1876.
③Was the computer invented in 1976?
④When was the computer invented?
⑤Who was the computer invented by?
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一、一般过去时的被动语态
1. 构成: 主语+was/were +及物动词的过去分词。
2. 各种句式:
①肯定句: 主语+ was/were +及物动词的过去分词+其他。
②否定句: 主语+ was/were + not+及物动词的过去分词+其他。
③一般疑问句: Was/Were +主语+及物动词的过去分词+其他?
④特殊疑问句: 特殊疑问词+一般疑问句式?
二、使用被动语态应注意的几个问题
1. 不及物动词无被动语态。
What will happen in 100 years? 100年后将会发生什么事?
2. 有些动词用主动形式表示被动意义。
①This pen writes well. 这支钢笔好用。
②This new book sells well. 这本新书很畅销。
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