Question

choose the correct answer.
She knows three languages.
i) How many languages she knows?
ii) How many languages does she knows?
iii) How many languages does she know?
iv) How many languages knows she?​

Answer 1

The correct sentence: How many languages does she know?

Why is this option correct?

• This is the past indefinite interrogative sentence.
• Rules to make an interrogative sentence: wh-words + noun + does + subject + verb + object (if present).
• Examples:

          1. How many answers do they know?

          2. Where does this girl live?

As 'does' is working as a helping verb, there is no need to add s/es at the end of the verb.