Complete the following sentences using if or unless.
1I cannot go ............... he gives me permission.
Wrong!
Use "unless" to mean "if not" in this negative condition.
2We cannot live ............... we do not eat.
Wrong!
Use "if" to introduce the condition that makes living impossible.
3............... the rain stops, we will go out.
Wrong!
Use "If" because going out depends on the rain stopping.
4............... I had enough money, I would buy a car.
Wrong!
Use "If" to introduce an unreal present condition.
5............... he apologizes, he will not be allowed to enter the class.
Wrong!
Use "Unless" to mean he will not enter if he does not apologize.
6He would be very happy ............... you invited him.
Wrong!
Use "if" because the invitation is the condition for his happiness.
7You will not get better ............... you stop smoking.
Wrong!
Use "unless" to mean you will not get better if you do not stop smoking.
8He will become chief minister ............... his party wins a majority.
Wrong!
Use "if" because winning a majority is the condition for becoming chief minister.
9You will fall ill ............... you expose yourself to the cold wind.
Wrong!
Use "if" because exposure to the cold wind is the condition for becoming ill.
10He will not be promoted ............... he wins his manager's confidence.
Wrong!
Use "unless" to mean he will not be promoted if he does not win his manager's confidence.
Done.
Score: 0/10
Answers
- I cannot go unless he gives me permission.
- We cannot live if we do not eat.
- If the rain stops, we will go out.
- If I had enough money, I would buy a car.
- Unless he apologizes, he will not be allowed to enter the class.
- He would be very happy if you invited him.
- You will not get better unless you stop smoking.
- He will become chief minister if his party wins a majority.
- You will fall ill if you expose yourself to the cold wind.
- He will not be promoted unless he wins his manager’s confidence.
