Modal verbs are verbs such as can, could, might, will, would, shall, must, should, and ought. Understanding all Modals’ meanings helps to identify permission, possibility, certainty, and necessity before ordinary verbs. In some cases, need and dare may be used as modal verbs.
Auxiliaries are often included in the group of modules. They are known as modal auxiliaries in some grammar.
Some parts are missing from the modal, could, may, can, might, shall, should, will, would, and ought, known as Defective Verbs. The third-person singular has no -s; the second-person singular has no-ing.
What is the purpose of modal verbs?
Does the meaning of a modal indicate what special conditions it apples to? The following are examples of when you should use modal verbs:
In case of Permission
A request for permission starts with can, may, or could. It may be better to convey a request for permission in more proper usage; if you ask, “may I go to the washroom?” it could be misinterpreted as, “will I be able to go to the washroom?”
Examples:
May I leave the meeting today?
Request
To ask someone to do something, begin your question with a will, would, can, or could. Here are a few examples of requests
Examples:
Can I borrow your wristwatch for today?
If there is some Possibility
Use the modal verbs could, may, and might to indicate that something is possible but not certain.
Example:
Judging by the syllabus, it might become difficult to pass the examination.
She may become the youngest chess grandmaster ever.
To show the Ability
Modal verbs can indicate a subject’s ability to accomplish something, such as perform an action or demonstrate an ability. Furthermore, the negative form cannot show that the subject can’t do something.
Example:
He can do 20 deadlifts of 50 pounds, but none of them can do it in the class.
Probability
Some things seem likely, but we do not know for certain. You can indicate probability without certainty with the modal verbs should and must in these situations.
Example:
Her coach must be so proud of her performance.
When you have to give Suggestions/Advice
What should you do if you want to recommend something but do not want to command it? It’s okay to use the word should when giving recommendations or advice, but not when ordering someone around.
Example:
You should do all the work on time.
When you have to give Command
You should use modal verbs if you want to command someone, for instance, must, have to, or need to.
Example:
You must not go there unless I come with you.
If there is an Obligation or necessity
Verbs in the modal subclass express the necessity of action, such as obliged, duty-bound, or necessary. Furthermore, the negative form indicates that nothing needs to be done. Modal verbs are used in the same way that commands are. For instance, you need to, have to, or must.
Example:
There is no need to carry all the luggage in the van.
To show the Habit
The modal verb would be used for the past tense to indicate a continuing or habitual action and will be used for the present and future. If you refer to a habit that no longer exists, you may use the same expression.
Example:
When I don’t have any I work, I would usually smoke.
Examples to Identify Modals
All modal verbs (except questions) come before the main verb. Use infinitives for modal verbs instead of “to.”
When you tell people that you can run 20 miles a day, you add the modality “can” in front of the infinitive form of “run.” For example, if you tell them that you run 20 miles a day, you add “can” in front of “run,” which is “run.”
“I can run 20 miles a day.”
In the infinitive form of the main verb, you use this order for questions:
(modal verb + subject + main form of the verb)
Like: “Can I run 20 miles a day.”
Errors in Modals
1. He Said I might use his smartphone anytime. (wrong)
He said I could use his telephone anytime.
2.He is used to play cricket in the evening. (wrong)
He used to play cricket in the evening.
Conclusion
If you want to solve all questions related to Modals in any competitive exams, you have to understand Modals meaning to spot the error. After that, learn all modal verbs that You can use in sentences.
There are too many special conditions where you require modal verbs to make sentences, and in each condition, there is a set of modal verbs. Read all the examples of each condition and solve questions on modals from the test books or grammar books. Also, remember the uses of some words like Shall were used earlier but nowadays, in modern English, everyone used to avoid it.