Primary/ Principal Auxiliary

একাদশ- দ্বাদশ শ্রেণি - English - English Grammar & Composition | NCTB BOOK

Primary Auxiliary: be (am, is, are, was, were, been), do, does, did, have, has, had প্রভৃতি.

Content added By

আরও দেখুন...

Promotion

Promotion