初中学英语之分词作状语

　　 As I didn't receive any letter from him, I gave him a call.的初中学英语知识点讲解：

　　-> Not receiving any letter from him, I gave him a call.
因为不收到他的信，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。

　　典型初中学英语例题
1）_____ some officials, Napoleon inspected his army.
A. Followed　 B. Followed by　 C. Being followed　 D. Having been followed
答案B. Napoleon 与follow 之间有被动的含意。being followed除表白被动之外，还有动作正在进行之意。 followed by（被…跟随）。本题可改为：　　　　　　　　　　　　　　　　 With some officials following, Napoleon inspected his army.

2）There was a terrible noise ___ the sudden burst of light.　
A. followed　 B. following　 C. to be followed　 D. being followed
谜底B. 因为声音在闪电后，因此为声跟随着光，声音为追随的发出者，为自动。用当初分词。

3）_______, liquids can be changed into gases.
A. Heating　 B. To be heated　 C. Heated　 D. Heat
答案C. 本题要选一分词作为状语。现在分词表自动，正在进行的；过去分词表被动的，已经实现的。对液体来说是加热的受动者，是被动的，因而选C。它相当于一个状语从句 When it is heated，… CopyRight .com

初中学英语留心： 决定现在分词还是从前分词，关键看主句的主语。如分词的动作是主句的主语发出，分词就选用当初分词，反之就用从前分词。
(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.
在利用的过程中，　我发现这本书很有用。