人教版高二英语选修六Unit5LearningaboutLanguage

例如: 误: Having been told many times，but he still couldn’t understand it. 正: He was told many times, but he still couldn’t understand it.或
(Though )having been told many times，he still couldn’t understand it.
家了。
3. 使用-ing 形式需注意 的几个问题。
分词(短语)作状语时，其逻辑主语必须与句子的主 语一致。如果不一致，必须用独立主格结构来表示， 也就是在分词前面加上它的逻辑主语。
My wife had a long talk with Sally, explaining why she didn’t want the children to play together. 我妻子与莎莉谈了很长时间，解释她为什么不想让孩 子们在一起玩。(现在分词explaining是句子主语my wife做的动作，它们之间是主动关系,即explaining的 逻辑主语就是句子的主语my wife 。)
2. –ing形式的完成式
句
主 动
Having +p.p. …, 主语+谓语
型
被 动
(Having
been)+p.p. …, 主语+谓语
-ing形式的完成式所表示的时间在谓语动词之前 用法 表示被动可直接用过去分词
Having finished my work, I went home. (= After I 例句 had finished my work, …)工作做完之后，我就回
分词的否定形式是在分词短语前面加上 not, never等否 定词构成。例如: Not fearing the fire, the child touched and got a finger burnt.
小孩儿不知道怕火，用手去摸，把手指烫了。
Not knowing how to find the subway, I asked a policeman for help.
特别注意
The train having gone,we had to wait another day. （the train逻辑主语 + having gone 即为独立主格结构）
分词短语作状语时，分词短语前面可以加上连词 或 介词(如but，and，though等)，但是分词短语 和句子之间不能用并列连词。因为并列连词接的 是两个并列成分，而分词短语只是全句的一个状 语部分。分词短语和主句之间可用逗号。
用法
例句
I st伴随
(= …, and waited for her.)
我站在那儿等她。
It rained heavily, causing severe flooding in the 结果 area.
(= It rained heavily so that it caused severe flooding in the area.) 在这个地方雨下得如此大，以致引发了洪灾。
用法
例句
Walking along the street, I met Mary. 时间
(= While I was walking along the street, …)
在街上走的时候，我遇到了玛丽。
用法
例句
原因
Being tired, I stopped to take a rest.(= Because I was tired, …)因为疲倦，我停下来 休息。
Having + past participle (the perfect -ing form) to refer to an action that took place before the time expressed by main verb.
小结-ing 形式的用法
1. -ing 形式作状语
Having brushed his teeth，Mr. Brown came downstairs for breakfast. 布朗先生 刷过牙，就下楼来吃早饭。 (此句如写成:Brushing his teeth, Mr. Brown came downstairs for breakfast.可能指“边刷牙，边下楼”。)
LOGO
Grammar
Looking carefully at the ground, I made my way to the edge of the crater.
The -ing form used as an adverbial clause
Having experienced quite a few earthquakes in Hawaii already, I didn’t take much notice.
-ing的一般式和完成式现在分词都可以表示先 后接连发生的动作。在可能引起误解的场合应该
用现在分词的完成式表示先发生的动作。
例如: Opening the drawer，he took out his wallet. (=He opened the drawer and took out his wallet.) 他打开抽屉，拿出钱包。 Coming into the room，he put down his bag. (=He came into the room and put down his bag.) 他走进房间，放下提包。
Turning to the left, you will find the school. 条件
(= If you turn to the left, …)向左走，你就会 找到那所学校。
用法
例句
让步
Knowing where I live, he never come to see me. (= Though he knows where I live, …) 尽管他知道我的住处，但从不来看我。