Main verbs - The main verb tells us what the action in the sentence is Auxiliary verbs - An auxiliary verb extends the main verb by helping to show time, tense, and possibility.

Modal verbs Linking verbs

State and action verbs Regular / Irregular verbs Weak / Strong verbs

Auxiliary verbs (helping verbs), are minor verbs that support the sentence’s main verb to communicate complex grammar concepts like [aspects of time] or [modality].

auxiliary verbs are divided into three subclasses; primary auxiliary verbs - (do, be, and have) modal auxiliary verbs - (can-could, may-might, shall-should, will-would, must) marginal (or semi-) auxiliary verbs - (dare, need)

https://www.grammarly.com/blog/auxiliary-verbs/

Finite verb forms show [tense], [person] and [number]

v1 - bare infinitive v2 - past simple be - infinitive being - present participle - a form of a verb that in English ends in -ing and comes after another verb to show continuous action v3 - been - past participle - the form of a verb, usually made by adding -ed, used in some grammatical structures such as the passive and the present perfect:

to-infinitive 3rd person singular present simple

Non-finite verb forms do not show tense, person or number

Participles are a particular form of verb that has two main purposes: * Turn the verb into an [adjective] to modify nouns. * Connect with auxiliary verbs to create different [tenses], such as the present perfect tense.

Infinitives are a special form of verbs that can be used as a noun, adjective, or adverb.

Usually, infinitives are formed by adding the word [to] before the base form of the verb

Subject-Verb Agreement With the Third-Person Singular

The third-person singular verb ending is the suffix -s or -es that's conventionally added to the base form of a verb in the present tense when it follows a singular subject in the third person

English phrasal verbs are combinations of a verb and a particle (preposition or adverb) Their primary role in a sentence is to act as the main verb, conveying actions, states, or occurrences

https://www.heylama.com/blog/english-phrasal-verbs