Modals of obligation
- MODALS OF OBLIGATION MUST, HAVE TO, SHOULD, OUGHT TO
- OBLIGATION or STRONG RECOMMENDATION We use must (do) and have to (do) to say that it is necessary to do something. e.g. ...
- There is sometimes a DIFFERENCE between must and have to. ...
- BUT, NOTE: You can only use must to talk about the present and future: e.g. ...
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What are the examples of modals of obligation?
- You must stop here.
- You have to wear a seatbelt when you drive.
- You must answer at least one question.
- You should call Mary. I know she misses you a lot.
- She looks sick. She should go home.
What is the meaning of modals of obligation?
We can use modals to express obligation. An obligation is a necessity, or something you have to do. You must remember your partner's birthday.Nov 19, 2021
What is the modal of no obligation and example?
What are the two types of modal verbs of obligation?
- those that primarily express a firm obligation or necessity – must and have to -
- and those that express a recommendation or moral obligation – should and ought to.
What is modals of obligation and necessity?
What are modals of obligation permission and prohibition?
How to say something isn't an obligation?
To say something isn’t an obligation. To say there is no obligation, use “don’t / doesn’t have to” or “don’t / doesn’t need to”. Examples: “You don’t have to bring food on the trip.”. “She doesn’t have to work in the evening.”. “I don’t need to pay now. I can pay later.”.
Is "must" an auxiliary verb?
Remember that “must” is a modal auxiliary verb. This means that it doesn’t change its ending ( I must, he must, etc) and that it’s followed by the infinitive without ‘to’. (“You must phone me” not “You must to phone me”.) For more information on modal auxiliary verbs, see our page on ability.
What does "must" mean in a sentence?
Often, when we use “must”, the authority for the obligation comes from the person who is speaking. Examples: “You must do your homework every night.” (Because I say you must!) “I must stop smoking!” (Because I think it’s a good idea to stop.) Remember that “must” is a modal auxiliary verb.
What does "have to" mean?
We can also use “have to” to talk about rules and regulations. The authority for the obligation doesn’t come from the person who is speaking. Perhaps the rule is a general law or obligation. “In England you have to pay tax.”. “We have to check everyone’s ID.”. “Have to” is a normal verb.
Modal verbs of Obligation
Sometimes students struggle with modal verbs and their different uses. Some modal verbs can be used to express different functions, so, when do we know which ones to use?
Have to and must
These are normally used to talk about obligation or something that it is necessary to do and is a strong obligation.
What is a modal verb?
A modal verb is a type of auxiliary (helping) verb that has no meaning on its own but it modifies the main verb, changes its meaning and gives more details about actions. Have to is a type of auxiliary modal verb used to express certainty, necessity or strong obligation which comes from outside, from external factors.
What is a strong obligation?
A strong obligation (affirmative, interrogative); A necessity (affirmative, negative, interrogative); No necessity or no obligation to do something (negative); Something is reasonably expected or is a certainty (affirmative, negative, interrogative).
Modals of obligation and prohibition
There are many rules in our lives, at work, at school, at home, in the public places, on the roads, etc., which have been established to ensure order and safety. We use modal verbs to express obligations and prohibitions, or lack of obligation.
And this is how we express prohibition and lack of obligation
Be careful: there is a big difference in the meaning between ”mustn’t” and ”don’t have to”
Meaning
There are lots of modal verbs and we can order them in terms of the strength - how important it is we do the action.
Pronunciation
Rules are important. Sometimes if you don't follow them it's life or death! E.g. Imagine there's a fire in a building! So say the modals of obligation in a sentence in a loud voice, especially if it's 'must' 'mustn't' 'have to' and 'can't' (the strongest words of obligation).
