MODAL AUXILIARIES
| Primary Auxiliary | Have to / Has to / Had to | 
| 
 | No. | Modal  Auxiliary | Use / purpose |  | 1. | can | ability, Permission |  | 2. | could | ability in the past, permission |  | 3 | May | permission, possibility (less), weak probability |  | 4 | should | Advice, suggestion |  | 5 | must / ought to | obligation, moral obligation, compulsion |  | 6 | May not / shall not | Prohibition |  | 7 | will | Certainty |  | 8 | might | possibility (least), weakest probability |  | 9 | Need to | Necessity |  | 10 | would | Habitual Action in the past, used to | 
 | 
 | 
 More certain / definite less certain / definite least certain / definite | 
 | 
 SENTENCES APPEARED IN THE BOARD EXAMINATION.
SENTENCES APPEARED IN THE BOARD EXAMINATION.
| 1. | I have to work as hard as I can. (Replace the modal auxiliary by another showing ‘obligation’) | (Mar. 1996) | 
| 2. | You should do what your teacher tells you to do. (Replace the modal auxiliary by another showing ‘obligation’) | (Oct. 1996) | 
| 3. | They need to be protected. (Rewrite using modal auxiliary showing ‘obligation’) | (Mar. 1997) | 
| 4. | The remaining journey has to be undertaken on foot or pony. (Rewrite using on appropriate modal auxiliary) | (Oct. 1997) | 
| 5. | You can go to bed early so that you are fresh in the morning. (Rewrite using modal auxiliary of ‘advice’) | (Mar. 1998) | 
| 6. | Be prepared always to pay the price. (Rewrite using a modal auxiliary showing ‘Suggestion’.) | (Oct. 1998) | 
| 7. | Dead plants and animals may lie rotting at bottom. (Rewrite it by using a modal auxiliary showing ‘certainty’) | (Mar. 1999) | 
| 8. | An animal may alter the surroundings. | (Oct. 1999) | 
(Rewrite using a modal auxiliary of ‘ability’)
| 9. | Your younger brother is careless about his study. (Frame a sentence of your own using modal autiliary giving him ‘advice’) | (Mar. 2000) | 
| 10. | We can see certainly that they are not placed in other employment. (Use a modal auxiliary showing ‘obligation’) | (Oct. 2000) | 
| 11. | You have to study regularly to get success in the exam. (Rewrite using modal auxiliary showing ‘advice’) | (Oct. 2001) | 
| 12. | The time might come. | (Feb. 2002) | 
(Replace the modal auxiliary by another showing ‘certainty.’)
- The labelling of human beings in terms of their interests should not be overdone. (Oct. 2002) (Rewrite the sentence using a modal auxiliary showing “obligation”) 
- He could get into an argument.	(Oct. 2003) 
(Rewrite the sentence using ‘able to’)
- You may do just as you like.	(Oct. 2003) 
(Rewrite the sentence using another modal auxiliary showing ‘obligation’)
- One should insist on whole meal flour and whole meal bread.	(Feb. 2004) 
(Rewrite using the modal auxiliary showing ‘obligation’)
- People with intellectual interests will do well in occupations dealing with ideas, rules, regulations facts and figures . 
| 
 | (Replace the modal auxiliary by the one showing ‘less certainty’) | (Oct. 2004) | 
| 18. | You can understand it. (Rewrite using modal auxiliary showing ‘obligation’) | (Oct. 2004) | 
| 19. | You can halt at Uttarkashi. | 
 | 
| 
 | (Make the sentence ‘less definite; by using another modal auxiliary) | (Mar. 2005) | 
| 20. | We should protect and develop our forests. | 
 | 
| 
 | (Replace the modal auxiliary by another showing ‘obligation’) | (Oct. 2005) | 
| 21. | Deficiencies can be corrected when all the nutrients are supplied. | 
 | 
| 
 | (Use Modal auxiliary showing ‘certainty’.) | (Feb. 2006) | 
- The blind can get themselves educated.  (Rewrite using ‘able to’) 
- Their interests may be literary.  (Use modal auxiliary showing ‘certainty’) 
- A skillful advertiser may be able to create a monopoly.  (Use modal auxiliary ‘can’) 
- Do you realise your responsibiliy as educated women.	(Oct. 2006) 
(Use modal auxiliary showing ‘obligation’)
- I must go to jail.  (Make it ‘less definite’)	(Oct. 2006) 
| 27. | The remaining journey has to be undertaken on foot or pony. (Use modal auxiliary showing ‘obligation’) | (Feb. 2007) | 
| 28. | Young people should be considered for employments. (Use modal auxiliary showing ‘certainty’) | (Feb. 2007) | 
| 29. | The Taj will be washed clean with salt free water. (Rewrite using modal, auxiliary showing ‘Obligation’) | (Feb. 2008) | 
| 30. | We would try to gauge, father’s mood from the movement of his eyes. | 
 | 
| 
 | (Use ‘used to’) | (Oct. 2008-A) | 
| 31. | We can make the  necessary decisions to protect it. (Rewrite it using the modal auxiliary showing compulsion) | (Oct. 2008-B) | 
| 32. | My mother would set up an establishment. (Rewrite the sentence by using ‘used to’) | (Feb. 2009-A) | 
| 33. | We worry about ‘junk food.’ (Use modal auxiliary verb showing ‘Compulsion’) | (Feb. 2009-A) | 
| 34. | I can cook.  (Rewrite the sentence by using ‘be able to’) | (Feb. 2009-B) | 
| 35. | Culture and arts will be strongly supported.  (Make it less definite) | (Feb. 2009-C) | 
| 36. | Don’t be trapped by dogma. (Replace the modal auxiliary by another showing ‘advice’) | (Feb. 2009-D) | 
| 37. | It may intensify some of its woes. (Rewrite it using the modal auxiliary showing ‘certainty’) | (Oct. 2009-B) | 
| 38. | This man used to scrape up barely fifty rupees a month.  (Use ‘would’) | (Oct. 2009-C) | 
| 39. | He may have laughed in the company of his friends. (Use modal auxiliary showing ‘certainty’) | (Feb. 2010-B) | 
| 40. | Our teachers could grow enormously by learning from their students. (Use modal auxiliary showing Advice ) | (Feb. 2010-D) | 
| 41. | Irrigation may be the most obvious response to drought. (Use modal auxiliary showing ‘certainty’ ) | (Oct. 2010-B) | 
| 42. | I would spend hours under it. (Rewrite it using used to) | (Oct. 2011-A) | 
| 43. | I could be part of the action. (Replace the modal auxiliary by another showing probability) | (Oct. 2011-A) | 
| 44. | Visually challenged people can read them. (Rewrite it using “able to”) | (Oct. 2011-A) | 
| 45. | Our society must weed this malaise out from the root. | (Oct. 2011-B) | 
(Replace the modal auxiliary by another showing ‘advice’.)
| 46. | Our society must weed this malaise out from the root. (Use modal auxiliary showing ‘less certainty’) | (Feb. 2012-A) | 
| 47. | My father used to get transferred every year. (Rewrite it using ‘would’) | (Feb. 2013) | 
| 48. | You could pay eight times the going rate for a ‘lighting call’ (Rewrite it using modal auxiliary showing ‘compulsion’) | (Feb. 2017-A) | 
| 49. | We can accept our life gracefully. (Rewrite it using the modal auxiliary showing ‘compulsion’) | (Feb. 2014-B) | 
| 50. | This practice does lead to certain oddities. (Rewrite it using modal auxiliary showing ‘probability’) | (Feb. 2014-D) | 
| 51. | I would enjoy so many theatre performances. (Rewrite using ‘Used to’) | (Feb. 2014-C) | 
| 52. | I have to sell the sacks. | (Oct. 2014-B) | 
(Rewrite it replacing the underlined part with the modal auxiliary showing ‘compulsion’)
| 53. | They should be updated frequently. (Rewrite it using the modal auxiliary showing ‘compulsion’) | (Oct. 2014-C) | 
| 54. | Moreover, human population will stabilize at about 11.05 billion. (Make it ‘less definite’) | (Oct. 2014-D) | 
| 55. | My little girl can get tasty fruits from some other gardens tool. (Replace the modal auxiliary by another showing ‘certainty’) | (Feb. 2015-C) | 
| 56. | Hundreds of these little birds would land on the paddy. (Rewrite the sentence using ‘used to’) | (Feb. 2015-D) | 
| 57. | I could talk about Chaitanya’s problem calmly. (Rewrite using ‘be able to’) | (Oct. 2015-A) | 
| 58. | He had to stay after school. (Use a modal auxiliary showing ‘compulsion’) | (Oct. 2015-A) | 
| 59. | This song would be heard only in March and April. (Rewrite the sentence using ‘Used to’) | (Oct. 2015-C) | 
| 60. | The earth could withstand upto 2,00,000 times the current population. (Rewrite the sentence using the modal auxiliary showing ‘certainty’) | (Feb. 2016-C) | 
| 61. | Reuben couldn’t ask his father for the money. | (Feb. 2016-C) | 
(Use ‘be able to’)
- Some people say that we cannot learn to speak a language better with the help of a book 
	(Use ‘be able to’)	(July 2016-A)
- A city must provide equity and also be sustainable.	(July 2016-D) 
(Rewrite using modal auxiliary showing ‘Advice’)
- I will try.	(July 2016-A) 
(Rewrite the sentence using another modal auxiliary showing ‘obligation’)
- I stood on the shore of that desolate Highland loch.	(Feb. 2017-A) 
(Rewrite it using ‘used to’)
- You can sell waste to the raddi-wallah and give him a small token of appreciation. 
	(Replace the modal auxiliary by another showing ‘obligation’)	(July 2017-A)
- Villagers need to follow strict rules.	(July 2017-A) 
(Rewrite it using another Modal Auxiliary showing ‘Obligation’)
- I enjoyed so many theatre performances.	(July 2017-B) 
(Rewrite it using ‘used to’)
- You have to constantly watch out and talk to yourself.	(Feb. 2018) 
(Rewrite using another modal auxiliary showing ‘compulsion’)
- There would still be situations of temporary poverty.	(Feb. 2018) 
(Rewrite it using ‘can’)
- The power of concentration can be cultivated.	(July 2018) 
(Rewrite it using the modal auxiliary showing ‘certainty’)
- This state of Maharashtra will work for the betterment of the common people 
	of Maharashtra.	(Feb. 2019)
(Rewrite it using modal auxiliary showing ‘obligation’)
- An abnormal eel could swim exceedingly well.	(Feb. 2020-A) 
(Rewrite it sentence using  ‘able to’)
 TEXTUAL SENTENCES :-
	TEXTUAL SENTENCES :-
- You ought to make an effort and go visiting everywhere you are asked. 
(Replace the modal auxiliary with another showing ‘Compulsion’)
- I could not kneel because of my clothes. 
(Use ‘be able to’)
- You could pitch one tent there. 
(Pick out the modal and state its function)
- We must remove this contradiction at the earliest possible moment. (Pick out the modal auxiliary and state its function)