内容正文:
Unit 7 (A)
被动语态
构成:
分类:
一般现在时被动语态
一般过去时被动语态
肯定句
否定句
一般疑问句
特殊疑问句
例句:
1. 孔明灯是由竹子制成,并且用纸覆盖。
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2. 电话是什么时候发明的?
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license n.证 (driver’s license )
safety n. 安全(性) (adj. safe 安全的 keep safe 保持安全 for safety 为了安全起见)
smoke v.吸烟 n.烟 (No smoking = Don’t smoke.)
hug n./v. 拥抱 (过去式和过去分词hugged, 现在分词hugging . give sb. a hug )
lift v.举起,抬高 n. 电梯,搭便车 (lift up “举起” , give sb. a lift 让某人搭便车)
badly adv. 严重地,差, 非常 talk back 回嘴
regret v. /n.感到遗憾,懊悔 (过去式 regretted
regret +doing 后悔做过某事(某事已做)regret+ to do 后悔做某事(某事未做))
poem n. 诗 (一般考查复数形式 poems)
keep.... away from 避免接近,远离
chance n. 机会
(have a chance to do sth./ have a chance of doing sth.有机会做某事,by chance 碰巧,偶然)
make one’s own decision 自己做决定
educate v. 教育 (education n. 教育 ,educational adj. 有教育意义的)
manage v. 完成(困难的事),应付(困难局面) (manage+ to do sth. 设法做出某事)
society n. 社会( social adj.)
语法——情态动词的被动语态
1. 构成:“情态动词+ be原形+ 及物动词的过去分词”
(情态动词: should, can/ could ,must, may/might, need等)
例:主动语态: We (主语) should plant(谓语) trees(宾语) in spring.
被动语态: Trees(主语) should be planted(谓语) by us(by+ 宾语)in spring.
2.含情态动词的被动语态句式结构
肯定句: 主语+ 情态动词+be+ 过去分词(+by+ 宾)
否定句: 主语+情态动词+not + be+ 过去分词(+by+ 宾)
一般疑问句: 情态动词+主语+be+过去分词(+by+宾.)?
肯定回答: Yes, 主+情态动词. 否定回答: No, 主+情态动词+not
对划线部分提问: 特殊疑问词+ 情态动词+主语+be+过去分词(+by+宾.)?
3.相应练习
Children under 12 years old _______ ride shared bikes. It’s too dangerous.
A. shouldn’t allow to B. shouldn’t allow
C. shouldn’t be allowed to D. shouldn’t be allowed
课文知识点
1. Sixteen-year-olds should be allowed to get their ears pierced. get sth. done 使某事被做
get one’s ears pierced意为“打耳洞”,此处get为使役动词,可换为have,意为“使;让”。
“get/have+宾语+过去分词”意为“使某事被做”或“让别人做某事”
【例句】You’d better go and and get your hair cut. It’s too long.
【例句】My bike is broken. I will have it repaired this afternoon.
2. He should stop wearing that silly earring.
【解析1】stop +doin