Use 'Unless'

Learn ‘Use Unless’    - by grasping the explanation

                                     - understanding the solved exercises

                                     - attempting the exercises given below

Note:- Using ‘Unless’ in place of ‘if’ means you have to make the other part negative if it is in the affirmative and vice versa.

*A negative sentence is one where there are negative words like ‘not’, ‘never’, and ‘none’ whereas an Affirmative sentence is one where there are no negative words.

Steps to take care while using ‘Unless’:

1. Use the Conjunction ‘unless’ to mean ‘if not’. (That means ‘if not’ has to be replaced with ‘unless.’

2. Remove ‘do not’, ‘does not’, and ‘not’ when you convert or transform the sentence.

Explanation: There are 2 kinds of sentences found in the usage of ‘Unless.’

Look at these 2 sentences and their answers and attempt the rest of the exercises based on these two examples:

1. If the vehicle is not ready, we will go on foot.

Answer:- Unless the vehicle is ready, we will go on foot.

Explanation of the above sentence: In place of ‘If’, use the word ‘Unless’ and make the first part of the sentence Affirmative. Remove the negative word ‘not’, and in the second part of the sentence ‘we will go on foot’ remains the same as in the question.

2. If you do not water the plants, they will not grow.

Answer:- Unless you water the plants, they will not grow.

Exercise (Solved):-

1. If Rita does not submit the assignment today, she will lose her marks.

Answer:- Unless Rita submits the assignment today, she will lose her marks.

2. If you work hard, you will not fail.

Answer:- Unless you work hard, you will fail.

3. If you do not pay the fee, you will not be allowed to write the exam.

Answer:- Unless you pay the fee, you will not be allowed to write the exam.

4. If you do not work hard in all subjects, you will not pass the exam.

Answer:- Unless you work hard in all subjects, you will not pass the exam.

Attempt the following sentences on your own:

1. I will join you if I am not working on Saturday.

2. Mary normally comes on time if her train is not late.

3. If we do not curb poverty, we will be a poor country.

4. If our country does not become economically free, there will be no true progress.

5. If the plants do not get sunlight, they will not grow.

6. If we do not get the money before Thursday, we will be in trouble.

7. If you do not submit the original documents, your application will be rejected.

8. If they do not help us, we will not be able to finish this.

9. If you do not eat good food, you will not be healthy.

Exercise:- (Solved)

1. Choose the correct sentence using 'unless':

a) I will go to the party unless it is raining.

b) I will go to the party unless it rains.

c) I will go to the party unless it will rain.

d) I will go to the party unless raining.

2. Which sentence correctly expresses a conditional idea using 'unless'?

a) Unless you study, you will fail the exam.

b) Unless you will study, you will fail the exam.

c) Unless you studied, you will fail the exam.

d) Unless you study, you failed the exam.

3. Identify the grammatically correct sentence with 'unless':

a) I won’t call you unless I am free.

b) I won’t call you unless I will be free.

c) I won’t call you unless I was free.

d) I won’t call you unless I had been free.

4. Choose the correct transformation: "If you don’t apologize, she will be angry."

a) She will be angry unless you apologize.

b) She will be angry unless you will apologize.

c) Unless she is angry, you won’t apologize.

d) Unless you don’t apologize, she will be angry.

5. Which sentence is incorrect?

a) Unless you work hard, you won’t pass.

b) Unless it stops raining, we won’t go outside.

c) Unless he will help, I can’t finish this.

d) Unless she apologizes, I won’t forgive her.

6. Find the best completion: "You can’t enter the room unless..."

a) .you will knock.

b) .you knock.

c) .you knocked.

d) .you have knocked.

7. Select the correct sentence:

a) We won’t go on a picnic unless the weather is nice.

b) We won’t go on a picnic unless the weather was nice.

c) We won’t go on a picnic unless the weather will be nice.

d) We won’t go on a picnic unless the weather had been nice.

8. Identify the correct usage of 'unless':

a) Unless you take an umbrella, you will get wet.

b) Unless you took an umbrella, you will get wet.

c) Unless you had taken an umbrella, you will get wet.

d) Unless you will take an umbrella, you will get wet.

9. Which sentence is correct?

a) Unless he asks for help, I won’t assist him.

b) Unless he asked for help, I won’t assist him.

c) Unless he had asked for help, I won’t assist him.

d) Unless he will ask for help, I won’t assist him.

10. Find the correct conditional sentence:

a) Unless the teacher explains it again, I won’t understand.

b) Unless the teacher explained it again, I won’t understand.

c) Unless the teacher had explained it again, I won’t understand.

d) Unless the teacher will explain it again, I won’t understand.

11. Which sentence is incorrect?

a) I won’t forgive you unless you say sorry.

b) Unless he apologizes, I won’t forgive him.

c) Unless she helps me, I can’t do this.

d) Unless you didn’t work hard, you will fail

12. Choose the grammatically correct option:

a) Unless she practices more, she will fail.

b) Unless she practiced more, she will fail.

c) Unless she had practiced more, she will fail.

d) Unless she will practice more, she will fail.

13. Select the correct transformation: "If you do not exercise, you will gain weight."

a) Unless you exercise, you will gain weight.

b) Unless you do not exercise, you will gain weight.

c) Unless you exercised, you will gain weight.

d) Unless you have exercised, you will gain weight.

14. Find the mistake in the sentence:

a) Unless you drive carefully, you may have an accident.

b) Unless he arrives soon, we will start without him.

c) Unless you don’t study, you will fail.

d) Unless they finish early, we will leave without them.

15. Choose the incorrect sentence:

a) Unless she speaks up, no one will hear her.

b) Unless he calls me, I won’t go.

c) Unless you didn’t try, you wouldn’t know.

d) Unless we leave now, we’ll be late.

16. Which sentence correctly uses 'unless'?

a) Unless you are honest, people won’t trust you.

b) Unless you were honest, people won’t trust you.

c) Unless you have been honest, people won’t trust you.

d) Unless you didn’t be honest, people won’t trust you.

17. Find the correct sentence:

a) I won’t go unless you come with me.

b) I won’t go unless you will come with me.

c) I won’t go unless you had come with me.

d) I won’t go unless you comes with me.

18. Choose the correct transformation: "If she does not complete her project, she will fail."

a) Unless she completes her project, she will fail.

b) Unless she doesn’t complete her project, she will fail.

c) Unless she had completed her project, she will fail.

d) Unless she will complete her project, she will fail.

Answers:

1. b)

2. a)

3. a)

4. a)

5. c)

6. b)

7. a)

8. a)

9. a)

10. a)

11. d)

12. a)

13. a)

14. c)

15. c)

16. a)

17. a)

18. a)

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