选修七_robots 被动语态.ppt

My mother felt alarmed when I had my hair coloured purple. My mother was alarmed when I had my hair coloured purple. Though the structure seems like a passive sentence, it is not. A passive sentence indicates a passive action while this sentence describes a situation when someone has the feeling of alarm. “alarmed” is an adjective formed by v+ed. Discovering useful structures Go over the passive voice be+ V+-ed/-en/-t My hamburger was eaten by the dog. The toy is made by hand. Go over the grammar. Finish the exercises on P.P. 13-14. 1. Old McDonald gave up smoking for a while, but soon _____ to his old ways. A. returned B. returns C. was returning D. had returned In some parts of the world, tea _____ with milk and sugar. A. is serving B. is served  C. serves D. served 课堂练兵 3. The new dictionaries are very useful. They ____ well and ______ already. A. sell, have been sold out  B. sold, had sold out  C. sell, sell out D. are sold, have been sold out 4. The train ____ arrive at 11:30, but it was an hour late. A. was about to B. was likely to  C. was supposed to D. was certain to 5. This dictionary mustn’t ____ from the library. A. take away B. taken away C. are taken away D. be taken away 6. My shoes _____. I went out for a new pair. A. is worn out B. wore out C. were worn off D. were worn out 7. That kind of shirts _______ cotton. A. is made from B. are made from C. is made of D. are made of 8. Rice ______ in South China. A. growing B. is grown C. are grown D. is grow * Revision of Passive Voice Unit 2 Grammar Look at the sentences. Is this a passive sentence? Key! 使用被动语态的情况 1. 我们不知道或没有必要说明动作的执 行者是谁的时候(这时不带by引起的短语)。 Printing was introduced to Europe from China. (省略了by短语。) Look! There is noth