NCERT Solutions for Class 9 English Workbook Unit 4 Modals are part of NCERT Solutions for Class 9 English Workbook. Here we have given CBSE Class 9 English Workbook Solutions Unit 4 Modals.
CBSE Class 9 English Workbook Solutions Unit 4 Modals
What are the five different ways in which you can use a ruler other than its regular use? List your answer below:
e.g. You can use it to dig holes.
- You can measure something.
- You can use it as a stick
- You can keep the dogs away with it.
- You can command animals with it.
- You can support something with it.
More Resources for CBSE Class 9
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- RD Sharma Class 9 Solutions
Do you see any difference in the following sentences?
(a) You can use a ruler to dig holes.
(b) You can use my ruler to dig holes.
(c) You can find a ruler in the study room.
Can is used to express permission, ability, and possibility in these sentences.
In sentence (a) can is used to express______.
In sentence (b) can is used to express______.
and in sentence (c) can is used to express_____ .
Work in pairs. Tell your partner what you are not able to do now because of the fast paced life.
e.g. I could play in the open ground but now I can’t.
I could visit my aunt on weekends but……….
Write a paragraph about a newly devised robot that can be of great help to homemakers.
Zoomo, the robot, can make tea when guests arrive…………..
Zoomo is a newly devised robot. It is meant for household work. It can make tea when guests arrive. It can open the door when someone knocks at it. It can broom the floor and wash utensils. It can wash clothes also. It may be helpful in gardening also. It can water plants and trim leaves very beautifully. It can polish shoes. It is going to relieve women from many strains.
B. Necessity, Obligation and Permission
Write the contracted forms. Practise saying these words:
e.g. ought not to—oughtn’t to.
- need not__________
- do not____________
- must not_________
- should not________
- did not___________
The following note comes from an army booklet, “Advice to New Recruits.” Complete the instructions by filling in the blanks with suitable modals. Welcome to Ranor Barracks!
Follow the rules, accept the advice and you will find your life in the army interesting and fulfilling.
You (a)__________have your hair cut very short in the first month. After that you (b)__________grow it longer but it (c)__________never touch your collar. Your uniform(d)__________be kept clean and tidy. Boots and buttons (e)__________ be polished daily. You (f)__________use cellphones on the campus but you (g)______ switch them off during the training sessions. Before joining you (h)__________have a medical checkup. You (i)__________ undergo medical examinations once a year during service.
(i) have to
Write what each symbol means using can, can’t, must, mustn’t.
- You musn’t waste water.
- You mustn’t be illiterate.
- You can go through both the ways.
- Dogs can’t be taken inside the park.
- You must stop here for police check.
You musn’t waste water.
C. Duties and Privileges
In some schools the student-council members are assigned duties at the beginning of every academic year.
Write a job description to be given to the newly elected Environment Monitor of your school.
You may do this individually. Later your class.as a whole can come out with one duty list to be displayed on the soft-board. You may use the words given in the box below:
can, may, can’t, mustn’t, must, should, have to
Duties and privileges of an Environment Monitor.
e g. You must ensure that the campus is clean.
- You mustn’t let any student pluck the flowers or the leaves.
- You should encourage students to plant trees every week.
- You mustn’t allow stray dogs enter the school campus.
- You must install dustbins at various places in the campus.
- You may take assistance from other students in discharging your duty.
- You can put displays regarding ecoconsciousness.
- You have to be watchful all the time.
The following statements express varying degrees of certainty. Look at the underlined modals in each of the statements. Then number the sentences in order of certainty. Mark the sentence No. 1 if it is most likely certain and the least likely as no. 5.
- The lady in the formal attire may be Chawla’s secretary.
- The foreigners accompanying him could be the newly appointed interpreters.
- The man in the safari talking to someone on the cellphone must be Chawla.
- Chawla will be the chief guest.
- The people following him might be from the media.
- — 1
- — 1
- — 5
- — 1
On a cold winter night you hear a loud shrieking noise at repeated intervals. What might have caused this? Write down your ideas using the pattern below:
Last night it was a very frightening situation. It was completely dark outside. I was sleeping. Suddenly I woke up as I had a fearful dream. I must have been very upset. I opened the window and looked outside.
Dogs were yelping. An owl’s hooting was coming clearly to my ears. Someone began crying, “ghost…ghost…”. It was a power cut. Suddenly, everything was bright with electricity. There might have been nothing on the road. It might have been just an illusion.
E. Intention and Prediction
Make five promises to your friend expressing your willingness to do something.
e.g. I shall never be late to school. Promises to Keep!
- I shall complete my housework at time.
- I will be attentive in the class.
- I shall obey my teachers.
- I shall never tease my classmates.
- I shall help weak students.
The Environment in Danger What do you think will happen to the following?
Choose four, and write one sentence about each using the modals below and/ or expressions from 10.
(a) The ozone layer
(b) The Taj Mahal
(c) The Maldives
(d) The rain-forests
(e) Weather patterns
(f) Fossil fuels
(g) The Ganges delta
e.g. In my opinion, the hole in the ozone layer will grow bigger and more people will get skin cancer.
(b) In my opinion, the Taj Mahal will be damaged if pollution is not checked.
(c) In my opinion the Maldives will get submerged if global warming is not checked.
(d) In my opionion, the rain-forests will get depleted if population is not controlled.
(f) In my opionion, the fossil fuels will end up if we do not control their use.
Saving the World
What do ought to be done about you think should these problems?
|e.g. I think the Government should ban all sprays which destroy the ozone layer.|
- I think the Government should check pollution in Yamuna river.
- I think the Government should take measures to control global warming.
- I think people should control population in order to save our rain-forests.
- I think we should reduce our dependence on fossil fuels by exploring other renewable resources of energy.
F. Mixed Modals
Match the sentences in A with their meanings in B.
|1. You should have taken your keys.
2. You could/might have lost your keys at the cinema.
3. You must have left your keys at home.
|(a) You are to blame for leaving your keys.
(b) It is possible that you left your keys.
(c) I think that you probably left your keys.
1 —(b), 2—(c), 3—(a).
While you were away on holiday, your house was burgled. Write a letter to your friend to tell him or her about it.
Use the underlined expressions in Column A above to help you. Include…
- how the burglar could have got in,
- how he knew you had gone away, and
- what you could have done to prevent the burglary.
12 February, 20XX
I am really sorry to inform you that my house was burgled last Saturday when I was away on a holiday. The burglar must have become sure about my absence as all my newspapers had been lying near the main gate. When I came back, I was shocked to see my ransacked house. There was nothing except some damaged items. The burglar could have unlocked the door easily because the lock was of an ordinary quality. It was also very small. I should have used a branded lock of a reputed company before going on a holiday. The burglar got an opportunity to take away all my valuable items. I am very upset. I have registered an FIR with the police. The police have assured me to catch the burglar. Let’s see what happens in the forthcoming days.
Look at the following pair of sentences. Underline the modals and discuss why each one is used in that sentence:
I must not take those pills.
(I’m not allowed.)
I need not take those pills.
(It is not compulsory but I may if I wish.)
- (a) I can’t go to the meeting because I’m not a member.
(b) I needn’t go to the meeting if I don’t wish to.
- (a) I can swim a length of the pool.
(b) I can swim in the pool on Saturdays.
- (a)You ought to get a nice present for her.
(b) You have to get a nice present for her.
- (a)Can I go to the toilet?
(b) May I be excused?
- (a) I may come tomorrow if I have the time.
(b) I might come tomorrow but it’s going to be difficult.
- (a) can’t—Only members are allowed to attend this meeting.
(b) needn’t—It is not compulsory to attend the meeting.
- (a) can—I know swimming.
(b) can—I am allowed to swim in the pool on Saturday.
- (a) ought—It is desirable for you to give her a present.
(b) have to—It is compulsory for you to give her a present.
- (a)can—I seek your permission to go to the toilet.
(b) may—I wish to be excused.
- (a) may—I am likely to come.
(b) might—There is very little possibility of my coming.
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