Is which a verb?

Hello everyone, today I will discuss whether the word "which"is a verb or not.

Look at the following example:

●The house,which was built in 2012,is very beautiful.

Explanation:

In the above example,the word "which" is not a verb.You can say that here "which" is a pronoun because it is indicating the noun house. Actually,we cannot use which as a verb but we can use which as a pronoun and determiner.

Now look at the following example.

●I can't remember which books I had.

Explanation:
Here the word "which" is a determiner which is special kind of adjective.

Conclusion:
The word "which " is a determiner or pronoun.It is not a verb.