Question

Difference between primary and modals auxiliary verb​

Answer 1

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Writing and produced each has another verb before it. These other verbs (is and was) are known as AUXILIARY VERBS, while writing and produced are known as MAIN VERBS or LEXICAL VERBS. ... Auxiliary verbs are sometimes called HELPING VERBS. This is because they may be said to "help" the main verb which comes after them.

Answer 2

The first thing that we should know about auxiliary verbs is that they don´t tell us the action in a sentence but they help the main verb in the sentence. ... The primary auxiliary 'DO' is used in the present simple tense and the past simple tense.

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Primary Auxiliaries

The words “be”, “have” and “do” are called primary auxiliaries. These are known as primary because they are the most frequently occurring auxiliaries and are used in their different forms in the English language.

Model Auxiliary Verbs

The commonly used modal auxiliaries, also known as modal verbs, are as follows:

Can and Could

May and Might

Shall, Should, Will, Would

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