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2021考研英语：作文句型要避开这些错误
一、常见错句分析
1. It is a fact that water is plays a indispensable role in ...
<错1> 一个句子不能出现多处谓语动词，is和plays不能共存。
<改1> is 去掉。
<错2> indispensable是属于以元音发音开头的单词, 前面的冠词不能用a.
<改2> a 改为 an.
2. A great deal of fresh water wasted by people.
<错> 主动语态和被动语态搞混。
本句意思是，大量的新鲜水被人们浪费掉了，应用被动语态。
<改> wasted改为has been wasted/was wasted.
3. There is universally acknowledge that saving water, directly or indirectly, influence our life.
<错1> 固定句型套用错误。
“众所周知”表达形式常见的三种：
1. As we all know....
2. As is known to all, ....
3.It is universally acknowledged that...
<改1> There is 改为 It is; acknowledge 改为acknowledged;
<错2> 动名词短语作主语，谓语动词要用单数。
<改2> influence改为influences.
4. To improve this situation, the best way to improve the awareness.
<错> 一个句子不能没有谓语动词。本句缺谓语。
Improve这个动作不能由the best way 发出。
<改> 逗号后面改为“we should enhance the awareness.”