【例句呈現】觀察以下句子，注意動詞-ing形式所作的成分及用法。
Listening to music is one of my favorite hobbies.
2. It’s no use talking to him; he won’t change his mind.
3. Joan suggested asking her father for his opinion.
4. He made a poor living by selling newspapers on the train.
5. His job is teaching physics in a local middle school.
6. The speech he made was encouraging indeed.
7. The reading room of our school library is big enough to hold 800 people.
8. You』d better not make so much noise. You might wake up the sleeping child.
9. The large building being built across the street will be a hospital.
10. The old man, having worked abroad for twenty years, is on the way back to his motherland.
【用法小結】
1. 在句1、句2中，動詞-ing形式作主語：
表示一般或抽象的、經常性的動作。
在句型It’s + no use (no good, useless, a waste of time ...) + doing sth.中，it是形式主語，後面的動詞-ing短語作真正的主語。
2. 在句3、句4中，動詞-ing形式作賓語：
有些動詞後常接動詞-ing形式作賓語，常見的這類動詞有：admit, consider, dislike, avoid, enjoy, escape, mind, miss, finish, keep, imagine, risk, practise等。
作介詞的賓語。注意：在某些固定句型中，介詞可以省略。如：sb. has difficulty (in) doing sth.。
3. 在句5、句6中，動詞-ing形式作表語：用來說明主語的內容。
表示主語所具有的性質、特徵等。
4. 在句7至句10中，動詞-ing形式作定語：
說明被修飾名詞的用途，通常可以改為for短語。如：the reading room = the room for reading閱覽室。再比如：reading materials閱讀材料；a shopping bag購物袋；an operating table手術臺；a washing machine洗衣機等。
表示所修飾名詞發出的動作，可以轉換成對應的定語從句。如the sleeping child = the child who is sleeping。
動詞-ing形式一般式的被動語態（being done）作定語表示某動作正在被進行；動詞-ing形式完成式（having done）作定語表示該動作發生在謂語動詞所表示的動作之前。
【學以致用】 從A、B、C、D四個選項中，選出可以填入空白處的最佳選項。
All the staff in our company are considering _____ to the city centre for the fashion show
A. to go B. going C. to have gone D. having gone
2. You can’t imagine what difficulty we had _____ home in the snowstorm.
A. walked B. walk C. to walk D. walking
3. Peter received a letter just now _____ his grandma would come to see him soon.
A. said B. says C. saying D. to say
4. It is difficult to imagine his _____ the decision without any consideration.
A. accept B. accepting C. to accept D. accepted
5. The manager, _____ it clear to us that he didn’t agree with us, left the meeting room.
A. who has made B. having made
C. made D. making
6. It’s necessary to be prepared for a job interview. _____ the answers ready will be of great help.
A. To have had B. Having had C. Have D. Having
Key: 1-6 BDCBBD
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