Exercise 14. Complete the sentences with should/ought to and the words given.
Date: 2015-10-07; view: 585.
Obligation and advice: should/ought to/shall/had better
SHOULD and OUGHT TOare used:
1) to talk about mild obligation and duty to do something.
We should send them a postcard.
He ought tocome more often.
2) to ask for and give advice.
What do you think I should/ought to do?
She oughtn't to/shouldn't marry him.
NOTE:
1. Should and ought to are very similar in meaning but we often prefer ought toto talk about authority which comes from outside the speaker, e.g. from laws or rules.
You ought to pay your bills regularly.
2. Should is more common than ought to.
Example: These windows are dirty. (you/clean them/more often)
You should/ought to clean them more often.
1. Ted drives too fast. (he/drive/more carefully)
2. There won't be much food at the party. (we/take something/to eat?)
3. It's going to be a cold day. (you/wear/an overcoat)
4. Pam is a bit overweight. (she/not eat/between (meals)
5. She owes you a lot of money. (you/not lend her/any more)
6. Julie looks run down. (she/not go/to bed late every day)
SHALL is used:
to ask for advice or instructions
I'm not sure what to do. ShallI apply for the job or not?
How long shall I cook this meat?
Exercise 15. Complete each sentence. Use shall I and the most suitable verb.
| paint | get | tell | say | put |
Example: Who shall I invite to my party?
1. How much money from the bank?
2. Where all these dirty plates?
3. What do you think? my friends what has happened?
4. What colour my living room?
5. What if someone asks for you?
HAD BETTER ('D BETTER) is used:
to express mild obligation and advice.
It's going to be cold tonight.
We'd better turn on the heating.
You'd better not be late for work today.
Exercise 16. Complete the sentences using had better and the verbs in the box.
| Not leave | Take | Park | Not eat harry | Be answer |
Example: The phone is ringing. I'd better answer it.
1. You a pullover with you. It's getting colder.
2. Oh no! Look! There's "No Parking" sign here. We somewhere else.
3. I'm late. I .
4. This knife is very sharp. You careful when you use it.
5. There's a lot of crime in this area. We any doors or windows unlocked.
6. I've put on weight lately I between meals.
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| In some sentences, two answers are possible. | | | Exercise 18. Make suitable sentences from the table below. Use can to express occasional possibility. |