=>
III/
1. If we had had a map, we wouldn't have got lost.
2. If he had hurried, he wouldn't have missed the train.
3. You should go to the France to improve your French.
4. I left a note to tell George about the meeting.
5. Mother entered the room quietly not to wake up her baby.
6. He turned off the lights not to waste electricity.
7. If the weather weren't bad, we would go on a trip.
8. If I had had an umbrella with me, I woulnd't have got wet.
9. Unless you leave me alone, I'll call the police.
10. I took off my shoes not to make any noise.
....
1. had had
2. would have gone
3. had called
4. had known
5. had known/would have gone
6. had missed/would have been

1,if we had had a map, we wouldn't have got lost
2,if he had hurried, he wouldn't have missed the train
3you should go to the France to improve your French
4i left a note to tell George about the meeting
5,mother entered the room quietly not to wake up her baby
6,he turned off the lights not to waste electricity
7,if the weather weren't bad, we would go on a trip
8,if I had had an umbrella with me, I woulnd't have got wet
9,unless you leave me alone, I'll call the police
10,i took off my shoes not to make any noise

1,had had
2,would have gone
3,had called
4,had knowed
5,had knowed/would have gone
6,had missed/would have been

~Cho mình hay nhất nhé~