II.

1. Unless today were Sunday, we would have to work.

2. Unless it rains, we will have the party outside.

3. If i knew his address, i could give it to you.

4. If he didn't have to pay father's debt, he wouldn't work overtime to get more money.

5. Unless you go out alone, you will buy anything.

III.

1. If Alan ate breakfast, he wouldn't always overeat at lunch.

2. If I knew enough about the machine, i could mend it myself.

3. If Nick had got a map, he could find the way.

4. If the wind weren't blowing hard, i would take the boat out for a ride.

5. If our grandparents didn't live so far away, we would visit them often.

IV.

1. Mr Thanh said he wanted to buy a new shirt for his daughter.

2. The woman informed me if that shop wasn't going to open the next Sunday.

3. He said he had once spent a summer there in that province.

4. The pupils said they would be sitting for their exams the next Friday.

5. The nurse told Doctor that the patient in that room hadn't followed his advice.

Study well!