Cách dùng If và unless

If or unless?
Hints
Unless
has a similar meaning to
if not.
Study the examples given below.
Unless
she works hard she will not pass.
If
she
does not
work hard, she will not pass.
Complete the following sentences using if or unless.
1. I will take the job ………………………… the pay is too low.
2. She will not buy the house ………………………… you lower the price.
3. They will not come ………………………… you invite them.
4. You will not lose that belly fat …………………………… you do not exercise.
5. Let’s go for a walk – …………………………… you are too tired.
6. ……………………………. you stop smoking, you will get cancer.
7. I wouldn’t be able to do it, ……………………………. she didn’t help me.
8. She will be very upset ……………………… I don’t wish her on her birthday.
9. ……………………… you give me the keys, I will kill you.
10. ……………………… you don’t leave this place at once, I will call the police.
Answers
1. I will take the job
unless
the pay is too low.
2. She will not buy the house
unless
you lower the price.
3. They will not come

unless
you invite them.
4. You will not lose that belly fat
if
you do not exercise.
5. Let’s go for a walk –
unless
you are too tired.
6.
Unless
you stop smoking, you will get cancer.
7. I wouldn’t be able to do it,
if
she didn’t help me.
8. She will be very upset
if
I don’t wish her on her birthday.
9.
Unless
you give me the keys, I will kill you.
10.
If
you don’t leave this place at once, I will call the police.
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