Interrogative Adverbs

Definition Of Interrogative Adverb:

Adverbs of Degree used in asking questions.

Example Sentences for Interrogative Adverb

Why are you late?
When did you come?
Where are you going?
Why did you go there?
Whence will the train arrive?

Learning Competency

Non-defining relative clause
Non-defining relative clauses are placed after nouns which are definite already.
The adjective clause which does not define the noun before it but gives additional information about the noun is called the non-defining relative clause.