Which verb form is needed in the question: How many Eid Cards_

Which verb form is needed in the question: How many Eid Cards__this year?

A do you send

B did you send

C are you sending

D were you sending

Correct Answer: Option C

বাক্যটি present continuous tense এ আছে। Present continuous tense এর structure -
Subject+ am/is/are + verb এর ing + extension.