分词
9.2 分词作状语
As I didn't receive any letter from him, I gave him a call.
-> Not receiving any letter from him, I gave him a call.
由于没有收到他的信，我给他打了电话。
If more attention was given, the trees could have grown better.
-> Given more attention，the trees could have grown better.
假如多给些照顾，那些树会长得更好。
典型例题
1）_____ some officials, Napoleon inspected his army.
A. Followed B. Followed by C. Being followed D. Having been followed
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2）There was a terrible noise ___ the sudden burst of light.
A. followed B. following C. to be followed D. being followed
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3）_______, liquids can be changed into gases.
A. Heating B. To be heated C. Heated D. Heat
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注意： 选择现在分词还是过去分词，关键看主句的主语。如分词的动作是主句的主语发出，分词就选用现在分词，反之就用过去分词。
(Being ) used for a long time, the book looks old.
由于用了很长时间，这本书看上去很旧。
Using the book, I find it useful.
在使用的过程中， 我发现这本书很有用。
