Modal Verbs: can

Modal Verbs: can

Can is a modal verb that can be used to indicate ability, permission, or possibility. Here's how it can be used in different tenses and forms: present, future, indefinite passive, indefinite infinitive

Modal Verbs: ought to

Modal Verbs: ought to

Ought to is a modal auxiliary verb that is used to express obligation or duty. It is often used to suggest a moral or ethical obligation, rather than a legal obligation

Modal Verbs: need

Modal Verbs: need

Need can function as a modal auxiliary verb when used in certain contexts, indicating a lack of necessity or obligation.Need can also function as a main verb, meaning to require or be necessary.

Modal Verbs: must

Modal Verbs: must

Must with the indefinite infinitive is used in the present to express a strong obligation, necessity or deduction.   Examples: I must study for my exam. (strong obligation)  

Modal Verbs: to be

Modal Verbs: to be

To be can be used as a modal verb in certain situations, although it is not as common as other modal verbs like can, must, or should.