译林2003课标版《Grammar and usage(1)： Verb-ed form》精品PPT课件优质课下载

译林2003课标版《Grammar and usage(1)： Verb-ed form》精品PPT课件优质课下载

教学重点和难点；充当定语，状语，宾语补足语时现在分词和过去分词的区别，以及现在分词的时态和语态。

分词：Participles

分词的概述

分词的两种形式：现在分词(-ing)和过去分词(-ed)。

现在分词的完成式结构： having done

现在分词一般式的被动结构： being done

现在分词完成式的被动结构： having been done

分词的否定结构 ：在分词之前加上not

现在分词与过去分词

的区别

一

1、作定语时

Do you know the crying boy?

We are trying our best to catch up with the developed country.

Do you know the boy crying under the tree?

The students are discussing a book written by LuXun.

单个的分词作定语时一般前置（位于被修饰的

词之前），分词短语作定语时后置。

1、作定语时

The meeting held last week is very important.

2.Tell the children playing there not to make so much noise.

3. They lived in a room facing the south.

4. I hate to see letters written in pencil.

被动关系

被动关系