Here is this video we learn all about the Adverbs, a very important part of Speech, all the classes of Adverbs have been discussed along with the kinds of adverbs.
1) Adverb of Time 2) Adverb of Frequency 3) Adverb of Place 4) Adverb of Manner
5) Adverb of Degree 6) Adverb of Affirmation and Negation 7) Adverb of Reason
The Classes are
a) Simple Adverb b)Interrogative Adverb c) Relative Adverb
Here is the PDF file for Adverbs https://docs.google.com/document/d/1sS9jRMsgzqJWlHjhjVBjXXIMisge1S4nZtiJFE3gA-k/edit?usp=sharing