Auxiliary Verbs: should and would

Auxiliary Verbs: should and would

Should and would are both auxiliary verbs used in English grammar to indicate different meaningsShould is used to indicate:   Advice or recommendation   Necessity or obligation   Expectation or probability Would is used to indicate:   Past habits or repeated actions    Polite requests or invitations   Hypothetical situations

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.