3. 作表语。作表语表示主语的内容或表示状态，说明主语的特点（ 这是主语是v.-ing形式的执行者）。
e.g. Our aim is studying English well.
His speech is very exciting.
4. 作定语。 表示主动，相当于一个定语从句， 表示动作在进行；或说明用途或作用。(单个一词作定语，须放在所修饰词的前面；短语作定语须放在所修饰词的后面)
e.g. The lady talking (who is talking) with him is a doctor.
Will the swimming pool be open?
The man walking by the lake is a scientist.
5. 作补语。作宾语有两个特征：一是宾语与 v.– ing 有主谓关系,且宾语是v+ing动作的执行者；二是v.+-ing形式所表示的动作正在进行。
e.g. We heard the boy crying there.
You can see them performing every night.
When I entered the room, I found him listening to the radio.
跟 v+ing 作补语的词常是感官动词和使役动词，如notice, see, hear, watch, get, feel, have, find, keep, observe, look at, listen to, smell etc.
6. 作状语。常作表示原因、时间、结果、条件、让步、伴随或方式状语。其逻辑主语是句子的主语且句子的主语是动作的发出者。
e.g. Being blind, how could they see an elephant?
He sat at the desk reading a book.
Seeing from the hill, we find the city beautiful.
II. NOTES
V+ing 形式一般式和完成式，有主动语态和被动语态，共四种形式，以tell为例
asking being asked
having asked having been asked
一般式表示与谓语动作同时（或在其后）发生；进行式表示发生在谓语动作之前。
e.g. He is proud of being learned. (He is proud that he is learned.)
I am sure of John’s coming in time. (I am sure that John will come in time.)
I am sure of his having been elected. ( I am that he has been elected.)
V+ing 的否定形式是在V+ing前加 not.
e.g. What is troubling them is their not having enough knowledge about computer.
Not taking any biscuits that morning, we had nothing to eat later.
有些动词接不定式和V+ing，意思基本一样。如begin, start, continue, plan, can’t bear, like, love, hate, prefer, intend…
e.g. Let’s continue to study/ studying law. (让我们继续学习法律。)
但，有些表示系恶的动词，如like, love, hate, prefer, intend …，接v+ing 表示一般的喜恶，接不定式表示特别的情况。
e.g. I don’t like going to the theatre alone.（一般情况）
I’d like to go to the theatre if you with me.（特殊）
下列动词或短语，need, want, require, bear, demand, be worth… 接v+ing 的主动形式，表示被动意义， 与接不定式的被动形式意义大致相同。
e.g. This problem needs looking into. (This problem needs to be looked into. )
This book is worth reading twice. (This book is worth to be read twice.)
在下列动词或短语后，如，stop, remember, forget, regret, try, mean, go on, go afraid…
可以接v+ing 也可以接不定式，但意义不同。
e.g. I remember to fill out the form.(我记得要填表。)（表示动作尚未发生。）
I remember filling out the form.(我记得一天表了。)（表示动作已经发生了。）
I stopped to eat. （我停下别的事，来吃饭。）（停止手中事去做另一件事。）
I stopped eating. （我停止吃饭。）（停止正做的事。）
I regret to say I can’t stay here any longer. （我很抱歉的说我不能在此久留。）（表示动作尚未发生。）
I regret leaving/having left you. （我后悔离开了你。）（表示动作已经发生了。）
He tried to write better. （我力图把字写得好些。）（设法， 努力去做，尽力。。。）
He tried knocking at the back door. （他试着悄悄后门。）（试试去做<看看有何结果>）
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Tag:高三英语教案，高三英语教案模板，教案大全 - 英语教案 - 高三英语教案