内容正文:
第一讲 动词的时态、语态和主谓一致
第2节 动词的语态
专题四 千变万化的动词
网络建构
一目了然
语法精讲
解惑释疑
考点1 被动语态的构成
时态 一般式 进行式 完成式
现在时 am/is/are+过去分词 am/is/are+being+过去分词 have/has+been+过去分词
过去时 was/were+过去分词 was/were+being+过去分词 had+been+过去分词
将来时 shall/will be+过去分词 shall/will+have been+过去分词
过去将来时 would/should be+过去分词 would/should+have been+过去分词
名师点津 1.某些及物动词和动词短语无被动语态:have有;cost花费;lack 缺少;suit 适合;belong to 属于;suffer from 遭受;date from/back to 追溯到;consist of 由……组成;take part in参加。
She is experimenting with different typewriters to see which one suits her best.
她正在试验不同的打印机,看哪一种最适合她。
As is known to all,acupuncture is a cultural heritage unique to China,which dates back to more than 2,000 years ago.
众所周知,针灸是中国独有的文化遗产,其历史可以追溯到2 000多年前。
Ashamed and feeling like a thief,she finally got that the cookies were not hers but belonged to the man sitting next to her.
她感到羞愧,觉得自己像个小偷,最终发现饼干不是她的,而是坐在她旁边的那个男人的。
2.不及物动词(短语)不能用于被动语态。常见的有:happen/take place/occur发生;remain剩下;break out爆发;last持续;come out出版;come up被提出;lose heart失去信心;run out用完。
It is a sad but common phenomenon that traffic accidents happen frequently,which poses a great threat to people’s safety.
交通事故频繁发生是一个令人悲伤但又普遍的现象,它给人们的安全带来了极大的威胁。
The weather in summer is unpredictable. Just now it was sunny. In a flash,lightning and thunder broke out,and the storm began to rain.
夏天的天气真是变幻莫测。刚才还是晴空万里,一霎时就电闪雷鸣,开始了狂风暴雨。
考点2 主动形式表示被动意义的几种情况
1.“系动词feel,sound,taste,look,smell,appear,seem,turn,stay,become,get,grow,keep等+形容词/名词”构成系表结构时,常用主动形式表示被动意义。
It is known to us that ice always feels cold.
我们都知道冰摸起来总是凉的。
2.当sell,read,cut,wash,write,open,wear(磨损),run(运转),burn等不及物动词后有状语(well/easily等)修饰,用来表示主语的属性、特征或功能时,常用主动形式表示被动含义。
(1)Have you bought the book that sells well these days?
你买了最近销售得很好的那本书了吗?
(2)This kind of cloth cleans easily.
这种布料容易清洗。
3.need,want,require,deserve,bear等动词的后面常用动词-ing形式表示被动意义,其含义相当于动词不定式的被动形式。
Traffic signal time needs increasing/to be increased,and in that case,more pedestrians and vehicles are allowed to pass respectively.
交通信号的时间需要增加,这样可以让更多的行人和车辆分别通过。
4.在“主语(人/物)+be+形容词+动词不定式”中,动词不定式的主动形式表示被动意义。这些形容词有nice,easy,fit,hard,difficult,important,impossible,pleasant,interesting等。
Some parts of the screen have been damaged. Under these circumstances,I find it hard to use it.
屏幕的一些部分已经损坏,在这种情况下,我发现它很难用。
5.be to rent/blame主动形式表示被动意义。
Who is to blame for the mistake?
谁应为此错误承担责任呢?
小题微练——单句语法填空
1.The composers wrote the musical scores after working out the tunes,and the songs ______________ (write) in seven-character or ten-character lines.
2.A Chinese scientist,who ___________ (call) Dong Jianyi,has helped Canadian greenhouse technology move forward.
3.Our city is becoming a modern one. More and more tall buildings _________________ (build) in the last five years.
4.This listening material,together with its CD-ROMs,_______ (sell) well.
5.After school we went to the reading room to do some reading,only to be told that it _____________________ (decorate).
were written
is called
have been built
sells
was being decorated
谢谢观看
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