Written by 11:22 pm Grammar For All

Use of Unless/If ….Not (Conditional Clauses) – Worksheet

While using unless , we have to remove if ..not and while using if , we have to remove unless

use if or unless
1]  The body cannot perform any function, if there are no specific nutrients.          
       (Rewrite using ‘unless’)
Ans: The body cannot perform any function unless there are specific nutrients.

2]  Your science teacher says, If you do not heat the solution properly, you will          
      not get the expected result.(How would you say the same thing using ‘unless’)
Ans: Unless you heat the solution properly, you will not get the expected result.

3]   Unless we read of great periods in the life of nation, we cannot imagine               

        ourselves back in those days. (Use if…. not)
Ans: If we do not read of great periods in the life of nation, we cannot imagine          
          ourselves back in those days.

4]   Tree-nesting birds can live only where there are trees.
          (Rewrite as a conditional sentence)
Ans: Tree-nesting birds can live, if there are trees. Tree-nesting birds cannot live, 
           if there are not frees Tree-nesting birds cannot live, unless there are trees.

5]    Without the Nile, Egypt would be a desert. (Use If… not)
Ans: If there is no Nile, Egypt would be a desert.

6]    Unless they are willing to defend to the last, they will not conquer.
          (Use If…..not)
Ans :  If they are not willing to defend to the last, they will not conquer.

7]    If you do not insist on dragging him into court, I shall be thankful.
          (Rewrite using ‘unless’)
Ans : Unless you insist on dragging him into court, I shall be thankful.

8]   Unless you invite me, I will not come to you.
          (Rewrite the sentence using If… not)
Ans: If you donot invite me, I will not come to you.

9] If I had never dropped in on that course in college, the Mac  would have never had multiple typefaces, (using ‘unless’)
Ans: Unless I had ever dropped in on that course in college, the Mac would have never had multiple typefaces.

10] If we don’t seize it, it’s curtains for us earthlings.
(Rewrite the sentence using ‘unless’)
Ans: Unless we seize it, it’s curtains for us earthlings.

11]    If it increases the sale of goods, industry prospers.(Rewrite using ‘unless’)
Ans :  Unless it increases the sale of goods, industry doesn’t prosper.

12]    You won’t pass, unless you work hard. (Use if…..not)
Ans:  You won’t pass, if you do not work hard.

13]  I shall not read this report, unless you allow me. (Use if ….not)
Ans: I shall not read this report, if you do not allow me.

14] If you cannot do this, do not make war upon us.(Use ‘unless’)
Ans: Unless you can do this, do not make war upon us.

15] If you do not keep quite, you will be punished. (Use’unless’)
Ans : Unless you keep quiet, you will be punished.

16] If you are brave, you will not fear. (Use’unless’)
Ans: Unless you are brave, you will fear.

17] If you do not study hard, you will fail in the exam. (Rewrite using unless)
Ans: Unless you study hard, you will fail in the exam.

18]  They will not bite a man, unless he touches or hurts them.
          (Rewrite using’ if……not’)
Ans : They will not bite a man, if he doesn’ t touch or hurt them.

19] If you are brave, you will not fear. (Rewrite using ‘unless’)
Ans : Unless you are brave, you will fear.

20] Unless you work hard, you will not succeed in life.
          (Rewrite the sentence using If… not)
Ans: If you do not work hard, you will not succeed in life.

21]  Unless you follow the traffic rules, you will be punished.
          (Rewrite the sentence using ‘If… not’)
Ans : If you do not follow the traffic rules, you will be punished.

22] Unless it rains sufficiently, farmers will not be happy.
          (Rewrite the sentence using If… not)
Ans: If it does not rain sufficiently, farmers will not be happy.

23] Unless you study hard, you will not pass the examination.
          (Rewrite the sentence using If… not)
Ans: If you do not study hard, you will not pass the examination.

24]    You will never know, unless you try. (use If… not)
Ans: You will never know, if you don’t try.

25] You have not seen a tree if you haven’t seen its shadow from the sky.          
        (Rewrite the sentence using ‘unless’)
Ans: You haven’t seen a tree, unless you have seen its shadow from the sky.

26]    I asked her when she gets time to play. (Rewrite using’ if)
          Ans: I asked her if she gets time to play.

27. We must strive to be happy in order to be healthy. (Rewrite using’ If……not…’)
Ans:  If we don’t strive to be happy, we will not be healthy.

28]  Without water all living things die.(Use if… not)
Ans: If there is no water, all living things die.

29]  The body can perform its function only if it is abundantly supplied with all ts essential nutritional factors. (Rewrite the sentence using ‘unless’)
Ans:  The body cannot perform its function unless it is abundantly supplied with all its essential nutritional factors.

30]   You are likely to be punished, if you do not express your regret.
          (Rewrite using ‘unless’)
Ans: You are likely to be punished, unless you express your regret.
For Useful Educational Videos to improve Spoken English and Grammar, please visit and Subscribe our You Tube Channel

👇

 Please Click On Below Image To Subscribe Our Channel

(Visited 9,118 times, 1 visits today)
Close