Auxiliary Verbs- Is, Am, Are, Was, Were : Patterns And Examples
By Manik Joshi
Series: English Daily Use
, Book 16.
Published: February 11, 2013.
English auxiliary verbs – be | use of is, am, are, was, were | present and past tense | singular and plural verbs | use of is, am, are, was, were in passive sentences | common sentences using auxiliary verbs - is, am, are, was, were | be – grammar rules