How many books does she study?

How many books are studied by her?

How many books were studied by her?

How many books should be studied by her?

How many books will be studied by her?

All of the above

How many books does she study is an interrogative sentence of Present Indefinite Tense.

How many mean کتنے یا کتنی

Book means کتاب

She means وہ

Study means مطالعہ

How many books does she study means وہ کتنی کتابوں کا مطالعہ کرتی ہے

Present Indefinite Tense

Active Voice: Subject + Verb + Object

Passive Voice: Object + is/am/are+ third form of a verb + by + subject.