refer
1 - If you had stayed at home yesterday, you wouldn’t have enjoyed a delicious meal.
2 - If he had not been busy last night, he could have met his friends.
3 -Unless she had missed the bus, she wouldn’t have been late.
4 - Unless he had been angry, he would have say something.
5 - Unless he had had time, he wouldn’t have read this novel.
6 - If they had been on the phone last night, they could have known the big secrets.
1 - If they were not absent now, they would meet the head master.
2 - If he didn’t clean up the car now, his boss could ask him to do this.
3 - Unless I knew the number, I would not ring her up.
4 - Unless Peter studied hard, he could not get good marks.
5 - Unless my sister had a terrible headache she wouldn’t be absent from her class.
6 - If he refused anything, he wouldn't lose his family.
7 - If I don't save money, someone would take it.
1 - Unless you study harder, you 'll get bad marks.
2 - Unless this man is a driver, he can help you move by car.
3 - Unless he practice writing every day, he can't improve his writing skill.
4 - If you don't return this book to the library today, you’ll have to pay a fine.
5 - If you don't go out more often, you might fall ill.
6 - Unless you are absent from school, you will not write a sick-note.
7 - If the sea is warmer, the ice at the North and South pole will melt.
