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When was it invented ? ;What is/are … used for?
It’s/They’re … used for…;A: When was the _______ invented?
B: I think it was invented in ______.;A: What is the _______ used for?
B: It is used for ___________.;A: What is the _______ used for?
B: It is used for ___________.;A: What is the _______ used for?
B: It is used for ___________.;What are they used for?;Who invented the car?;1971;alarm clock; I think computer is the most
helpful invention. Because it helps
me search the information that I
need. ;inventions;inventions;inventions;Who were they invented by?
What are they used for?;Listening;2a;;;A: What are those ?;B: Right. It ____ ________ by Chelsea
;shoes with adjustable heels;battery-operated slippers;heated ice
cream scoop;用“invented” 或 “used for”填空.
1. What are electric slippers _______?
2. Who were shoes with adjustable heels ________ by?
3. When was tea ________?
4. What are microwave ovens _______?
5. When were potato chips ________?;A: Look! This looks so interesting!
B: Ah, it’s a great invention of China.
A: Really? When ______ it _________?
B: I think it ______ _________ in Han Dynasty.
(汉朝)
A: What ______ it ______ for?
B: Guess!
A: ______ it ______ for holding water?
B: No. It _____ ______ for testing earthquakes.
A: Wow, it’s really amazing! ;abacus
in the six century
Chinese
calculating;被动语态;e.g Many people speak English.
;变被动语态时需要注意的事项;各种时态的被动语态的构成:;所有时态的被动语态否定就是在
最前面的助动词后加 not
疑问就是把最前面的助动词提前。;把下列的句子变为被动语态的句子:
1、They speak English in Canada .
2、People used wood for making tables.
3、They are making computers in the USA.
;4、They have grown rice in South China.
5. We must plant more trees next year.
6.I am going to clean our classroom tomorrow.;变被动语态的特殊情况;二、无to不定式;三、注意动词短语的;四、无被动语态的动词。;常用的被动语态短语
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