三、智能显示
【心中有数】
单元语法发散思维
一、现在进行时的被动语态
〖思维〗1. 现在进行时的被动语态结构。
I am/ He / She is/ You / We / They are + being done .
More milu deer are being moved to a new large nature . 更多的糜鹿正被往一所新建的大天然公园迁移。
2. 现在进行时的被动语态的用法。
A . 表示一个正在进行的被动动作即某件事情现在正在被做。例如：
The water is being turned into vapour . 水正在变成蒸汽。
The question is being discussed at the meeting now . 现在会上正在讨论这个问题。
B . 表示在现阶段进行被动动作，但不一定发生在说话的这一时刻。例如：
The bridge is being repaired .那座桥正在修复之中。(可指“正在讲话的同时”，也可指“目前”。)
She\'s being taught English . 有人在教她英语。(在说话时，也许根本没人教她。)
［注］现在进行时的被动语态有时可与情态动词连用。如：
I know Mark was going to have an interview sometime this afternoon . He may be being interviewed at this very moment . 我知道马克今天下午什么时候有面试。他此刻也许正在接受面试哩。
练习：
A . 把下列句子变成被动语态。
1 . Mr Smith is driving a car .
2 . The teacher is scolding (批评) me .
3 . They are painting the houses .
B . 单项选择。
4 . — Have you moved into the new house ?
— Not yet . The rooms ____ .
A . are being painted B . are painting C . are painted D . are being painting
5 . I ____ English for five years now .
A . was studying B . have been studying C . studied D . am studying
6 . The blood ____ now .
A . is tested B . is being testing C . is being tested D . has been testing
7 . The new lake ____ in the park , so many workers are working there .
A . is made B . has been being made C . is being making D . is being made
8 . In some parts of the world , tea ____ with milk and sugar .
A . i 《高一英语第十七单元Nature (自然界与动物保护)(第9页)》出自：www.89xue.com网
www.89xue.com s serving B . is served C . serves D . served
答案：1. A car is being driven by Mr Smith . 2. I am bing scolded by the teacher . 3. The houses are being painted . 4 — 8 ABCDB
二、enough 与高考
Ⅰ . enough 作副词用时，可修饰形容词、副词和动词。修饰形容词、副词时，enough 应后置。
Helicopters were sent to rescue them , but it was impossible for them to get close enough .
When they reached the burning building they found that their ladders were not long enough to reach the people who were trapped .
You don\'t practise enough at the piano .
I with you\'d write clearly enough for us to read it .
Ⅱ . enough 作形容词用时，修饰复数名词和不可数名词，习惯置于名词之前。
Have you made enough copies ?
I\'ll get enough money to pay for a taxi .
当 enough 和形容词一起位于名词之前时，要注意辨别 enough 的词性以及对语义的影响。比较：
1 . a) I haven\'t found enough big nails to mend the cupboard . 我还没找到足够的大钉子来修碗柜。
b) I haven\'t found big enough nails to mend the cupboard . 我还没找到足够大的钉子来修碗柜。
a) 句中的 enough 是形容词，修饰 nails，强调钉子的数量。b)句中的 enough 是副词，修饰 big，强调钉子的大小。
2 . a) Is there enough hot water for me to have a bath ? 有足够的热水让我洗个澡吗 ?
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