is/are

[kahhong]

Hello there, which one is correct? and could you please tell me why?


1.where is my pens?
2.where are my pens?


thank You!!!!!!!!!

[Humble]

Hi,
2 is correct because the verb must be in plural.
The pen is on the table. Where is the pen?
The pens are on the table. Where are the pens?