Grammar practice section

1. Match the sentences with the explanations.
1. Being updated regularly, the Free Home Edition includes anti-spyware and anti-rootkit detection.	a. Present participle clause. Two things happen at the same time.
2. Switching off the computer, I left the room.	b. Present participle clause. One action happens during another action. Participle clause is used for the longer action.
3. Having been downloaded, a new program was sampled/tested by the programmer.	c. Present participle clause. One action happens during another action. Participle clause after while/when.
4. Overheated, the computer switched off.	d. Past participle clause. One action happens before another action. Having done is used for the first action.
5. I found a mistake while testing the program.	e. Present participle clause. One short action follows another short action in the past.
6. Having bought a new computer I was ready to start new work.	f. Passive construction in participle clauses with reference to the present. being + participle
7. The program is working scanning all the computer files.	g. Passive construction in participle clauses with reference to the past. Having been+ participle
8. I broke my keyboard playing computer games.	h. Past participle clause in place of subject + passive verb.

2. Re-write the sentences. Use participle clauses.

1. I updated the anti virus program. I scanned the computer.

2. Your computer is running slow... your high-speed internet connection feels like dial up, and popups are everywhere. What's wrong? It could be a computer virus, or perhaps a bunch of viruses. They infect your hard drive.

3. There is a freeware version of the virus protection on the website. It only offers anti-virus and anti-spyware protection (no anti-spam, anti-rootkit or firewall) but provides very effective protection from the most common threats.

4. Another freebie anti-virus program with basic features is updated regularly. It is also highly recommended.

5. I was recommended to add anti-spyware protection as well. So I did it.

6. I was browsing the Internet. I heard a telephone call.

7. I connected all the peripherals and started to work.

8. The program was issued not long ago. It has become very popular.

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