Primary Auxiliary Verbs | B1 – B2 Grammar
There are three types of primary auxiliaries. They are: Be – is, am, are, was, were Have – has, have, had Do – do, does and did Primary auxiliaries are used with the present...
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Primary Auxiliaries
The primary auxiliaries are of three kinds: be, do and have. Each of them has different forms. Be The auxiliary be has five forms: is, am, are, was and were. Be also has a present participle (being) and a past participle (been) form. I am writing a novel. He is working on a...