English speakers use the modal verbs “should,” “ought to” and “had better” to express that they think something is a good (or a bad) idea. “SHOULD” is the most common way to give advice.
- A: I failed my test.
- B: Really? You should study harder.
- Young children shouldn't watch violent TV shows.
“HAD BETTER” is a bit stronger. It includes the idea of a "warning": something bad will happen if you do not follow my advice. For example:
- You had better not forget to pay your tuition. If you forget, the university will kick you out
- You had better do your homework. If you do not do your homework, the teacher will give you a low mark.
"OUGHT TO" is a semi-modal verb because it is in some ways like a modal verb and in some ways like a main verb. For example, unlike modal verbs, it is followed by to, but like modal verbs, it does not change form for person:
- I ought to phone my parents.
"MUST" indicates something which is absolutely necessary, to happen:
- Some corrections in the Project must be made.
- One must be influential, to become a leader.
To emphasize something:
- I must say, you are really a kind-hearted and gentle human being.
To indicate the probability of something:
- You must be busy.
- Prince is not here, He must have left for the office
For exclamations:
- You must be fooling me!
To indicate obligation:
- The boss said, “You must complete the project by November, this year.”
To give a remark or comment:
- You must be wondering, how I completed this.
- You must ask yourself, whether the decision is right or not?
"HAVE TO" denotes an obligation imposed on someone.
To indicate that something must be done:
- She has to go to America, on the launch of a new product.
- I have to mail the letter by today itself.
To express something required by the rule:
- You have to hold the luggage carefully.
- You have to stay silent if you are in the hospital.
To emphasize something:
- I have to say; you did a fantastic work.
To advice or comment someone:
- You don’t have to be an expert in science to understand the law of gravity.
- To get good marks in exams, you have to study hard.
"NEED" is a semi-modal verb because in some ways it is like a modal verb and in other ways like a main verb.
We use need mostly in the negative form to indicate that there is no obligation or necessity to do something:
You needn’t take off your shoes.
As an ordinary verb need is used in the sense of "require"
- Do you need any help?
- We need more volunteers.
- We have got what we needed
Негізгі бет SHOULD - OUGHT TO - HAD BETTER - MUST - HAVE TO - NEED -- EXERCISES + GRAMMAR EXPLANATION
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