difference between primary auxiliary verbs and modal verbs
1- primary 2-modal 3-marginal
------------ he know how to cook.
"Can" is considered a modal auxiliary verb in English. It is used to express ability, possibility, or permission, and is often used with another main verb to form a complete verb phrase.
A auxiliary verb that expresses necessity or possibility.
Ought is a modal auxiliary verb. The "to" is part of an infinitive (to + base form of a verb). ought to go ought to have ought to see
Auxiliary verbs are helping verbs .Modal Auxiliaries are used before ordinary verbs to express meanings. Some of the modal auxiliaries are would ,shall ,shouuld ,can ,could , may ,might,etc.
It's a verb, a modal auxiliary.
Modal verbs are specific auxiliary verbs that indicate beliefs and likelihoods in statements. Examples of modal verbs are must, shall, can, and might.
Viscose and modal both are semi synthetic fibre, where the modal has more wet strength than viscose and have less shiny than viscose
an auxiliary verb that expresses necessity or possibility. English modal verbs include must, shall, will, should, would, can, could, may, and might.
Nothing is different they are the same thing
Modal is a type of rayon which means that it is a semi-synthetic fabric.