III. Rewrite the sentences, using perfect gerunds or Perfect Participle.

1. Nam won a scholarship. We are excited about that fact.

→ …………………………………………………………………………

2. Entering the room, I was surprised at what I saw.

→ When ……………………………………………………………….

4. Since we have become too dependent on the use of electricity, we have to find alternative sources of energy before fossil fuels run out.

→ Having……………………………………………………………

5. Sam had not worked hard enough in his previous job. He regretted it.

→ Sam …………………………………………………………….

6... Zoe had practiced a lot, so she was sure of her winning in the competition.

-> Having …………………………………………………………………….

7.. The boy asked his mother's permission and then went out to play.

à Having…………………………………………………………………….

8.. As he had drunk too much, he didn't drive home himself.

à Having ………………………………………………………………………………………… .

IV.Combine each pair of sentences, using the linking word given in brackets.

1. Tom was thirsty. He refused the glass of water I brought him. (although)

2. Our classroom is hot and crowded. I don’t like our classroom. (because)

3. Ann’s father gave her some good advice. She didn’t follow it. (however)

4. The windows were all left open. The room was a real mess after the windstorm. (therefore)