Modal Auxiliary

Modal Auxiliaries	Functions
Can	ability
Must	Obligation /Compulsion
Should	advice/  suggestion
Would	Habitual action in the past
Could	Request (?)
Will	Certainty/(More- certain/ more-definite / More- formal)
May	Permission(?)/possibility, less formal/less definite/less certain
Need  to	Necessity
Ought to	duty
Might	less possibility
May not	Prohibition

Note: Without making any other change in the given sentence only replace the Modal Auxiliary according to the instruction.

Examples: 

1] They need to follow the instructions. (Use another modal auxiliary to make the sentence of Compulsion)

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2] It would leave him filled and happy for the journey to his winter island. (More certain)

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3] Some other way of entering the limbo must be devised. (Necessity)

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4] The luck would again run against him. (Prohibition)

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5] The nuts vendor will blow out  his lamp . (Habitual action in the past)

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6] The massive data can work wonders. (less certain)

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7] The huge the data might be useful. (More definite)

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8] Big data can be petabytes or Exabyte’s.  ( compulsion)

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9] You must plan your own route. (Make the sentence of advice)

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10] They will also track the condition . (Habitual action in the past)

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Q.2 . Examples of imperative sentences .

(If the given sentence is of imperative begin the answer with You then write Modal auxiliary and the remaining sentence)

11] Switch off the light when you leave the room. (Make the sentence of compulsion)

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12] Work hard to achieve success. (Make the sentence of compulsion)

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13] Yoke the bullock. (Make the sentence of ability) 

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14] Speak politely to your customers. (Habitual action in the past)

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15] Realize your responsibility. (Obligation)

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16] Understand the meaning of your education. (Necessity)

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17]  Be ashamed of yourself. (Make the sentence of Duty)

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Q.3. Identify the modal auxiliary and write its function.

18] Could I have your number?

Ans: Modal auxiliary—

         Function—

19] May I help you?

Ans: Modal auxiliary—

        Function—

20] The proposal must finish on time.

Ans: Modal auxiliary—

         Function—

21] You ought to have your bike serviced before the winter.

Ans: Modal auxiliary—

        Function—

22] You should get your teeth cleaned at least once a year.

Ans: Modal auxiliary –

Function—

23] Tom will write poetry very well.

Ans: Modal auxiliary—

        Function—

 24] Can you lead me ten dollars ?

Ans: Modal auxiliary—

        Function—

Q.4. Rewrite using proper form of modal auxiliary.

Use the following table while using proper modal auxiliary

Should	ought to
Must	have to/has to (need to)
Can	may
Would	used to

25] You should avoid smoking here. (Use another modal auxiliary)

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26] They must call the teacher. (Use another modal auxiliary)

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27] People may use public transport.  (Use another modal auxiliary)

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28] He used to linger in the coconut tree. (Use another modal auxiliary)

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29] But that ought to be updated regularly. (Use another modal auxiliary)

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30]  Socrates would turn to a new voice . (Use another modal auxiliary)

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31]  Drive carefully on the highway. (Make the sentence of Advice)

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32] Turn the people to the literacy mission. (ability)

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33] Take a breakfast early in the morning. (Give your brother a suggestion)

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34] People will park their cars in front of the gates. (Make sentence of compulsion

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35] My friends can encourage us. (Necessity)

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37] Will you please shut the door? (Request)

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38] The book society chose the novel. (More certain)

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39] Your brother do not take a breakfast early in the morning. (Give your brother a suggestion)

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40] People should work always sincerely to build up our nation. (Make the duty)

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41] Can I call you later? (Permission)

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42] The students need to buy text book, by earning money.

 (Habitual action in past)

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43] Visit us, while you are in town. (Ability)

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44] Don’t leave medicine where children can get to them. (Write as if doctor is advising you)

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45] You have to go to school today. (Use another modal auxiliary)

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46] Could I have your number?

Ans: Modal auxiliary—

Function—

47] May I help you?

Ans: Modal auxiliary—

Function—

48] The proposal must finished on time.

Ans: Modal auxiliary—

Function—

49] You ought to have your bike serviced before the winter.

Ans: Modal auxiliary—

Function—

50] You should get your teeth cleaned at least once a year.

Ans: Modal auxiliary –

Function—

51] Farmers will carry cellphone. (Necessity)

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52] He used to turn towards a new voice. (Use proper modal auxiliary)

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53] I have to recount the story many times. (Habitual action in the past)

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54] Teacher may not neglect their duties now a days. (Advice)

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55] His products may be cheap. (Identify modal auxiliary and function)

Ans: Modal auxiliary—

Function—

56] It might rain today. (Identify modal auxiliary and function)

Ans: Modal auxiliary—

Function—

57] We ought to love our parents. (Use another modal auxiliary)

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