doing做状语

Unit 5 Grammar ：Revising the –ing form.

♥学习目标：

(1) 动词-ing形式作状语可表示：时间、原因、条件、让步、伴随等。

(2) 动词-ing形式的完成式：

主动：Having + p.p. …, 主语+ 谓语

被动：(Having been) + p.p. …, 主语+ 谓语

【重点难点】灵活应用V-ing作状语

一.第一关：判断Ving 在句中的成分

1.The child ran out of the room, laughing and talking.

2.Seeing nobody at home, Linda decided to leave them a note.

3.If having more time, we can do it better.

4.Though living near her house,I seldom see her .

5.The child fell, striking his head.

分词作状语表示时间、_____\______\____\______\______，其逻辑主语通常与句子的主语______，Ving表示的动作与主语之间含有逻辑上的_____关系。

第二关：把V-ing改成状语从句做状语

ing out of my house, I saw the volcano erupting.

2.Waking up in the middle of the might, She saw her room was as bright as day.

3. He sat on the sofa, watching TV.(=He sat on the sofa ____ ______TV.)

4. Though having little money, he always helped the poor.

(=_____ ____ ________little money, he always helped the poor.

5.Being too fat, he couldn’t join the army.

6.Having more time, I will do the work much better.

归纳：V-ing做状语，其前往往可以加-------------------------------------等连词，构成“连词+V-ing”结构。

第三关：把状语从句改成V-ing做状语

1.When I was walking in the street, I came across an old friend.

= ，I came across an old friend.

2.As he was ill, he didn’t go to school.

= ，he didn’t go to school.

3. If you use your head, you'll have a good idea.

= , you'll have a good idea.

4.Though he worked very hard, he didn't feel a bit tired.

= , he didn't feel a bit tired.

5 Her husband died ten years ago and left her with three children to look after

= Her husband died ten years ago,

6．He came in the classroom and sang a song.

= He came in the classroom,

第四关：把状语从句改成分词做状语

1.Because I had finished my homework, I went to bed.

2. Because he had smoked too much, he suffered from lung cancer.

3. After she had finished her work, she went home.

4. As we have invited him here to speak, we’d better go to his lecture.

5Though I have been told many times, I still make the same mistake again.

6 After he had been criticized by the teacher, he gave up smoking.

第五关：归纳：非谓语动词的否定形式是

1. _________(not know ) her address, we couldn’t get in touch with her.

2____________ (not receive ) his reply, I decided to write a letter again.

3__________ (not know)how to find the subway, I asked a policeman for help

4、As the child had never seen a rainbow before,he was very excited.

第六关:Time________ (permit), I will pay a visit to the whole city.

(=If ___ ___, I will pay a visit to the whole city.

She -----------（be）ill, her mother had to look after her at home.

=Because ------------- ----------,her mother had to look after her at home.

The meeting -----------（be）over, we went to play football.

= When -------- -----------,we went to play football

Both hands ______(tie),the thief came to the police station.

So many people______(help)him, he is sure to succeed.

归纳总结：V-ing的逻辑主语与句子主语不一致时，可把逻辑主语--------------，构成-------------------结构。

有些固定用-ing短语作独立成分：

Judging from/by, Generally speaking, Speaking of, Talking of, Frankly speaking, Considering that, Supposing that, Seeing

归纳与总结：