In this example 'Very' is defining 'Politely' if you see then they both are adverbs i mean to say that (Very -> Adverb), (Politely -> Adverb ) so why adverb is defining other adverb? actually we use it when we want to tell the thing or the person is not just ordinary or normal they are more than normal then we use adverb to define other adverb. In simple words, an Adverb could be defined as a word that is used as. In this example (They is a pronoun ) And (Speak is a Verb) but (Politely is An Adverb) and if we say They Speak its fine but as we add adverb at the end so then it makes the verb more clear because before you knew they speak but did not know how do they speak (Means Do they speak Clearly, angrily, emotionally Or What?) but after putting adverb at the end now we know that they speak politely. An adverb is a word that tells us more about a verb. so this is how (adverb - defines Adjective) Now lets understand how Adverb defines adjective? see the word 'Intelligent' is telling Ali's Quality but very in this example is putting Ali to another level because by using The Word 'Very' we are saying Ali is not an ordinary person He Is the best of all. So As you can see in this example 'intelligent' is an Adjective because it is telling us the quality of Noun or in easy words we can say that it is prasing Ali. Please don't be confuse because everything i have told you here have explained one by one 1) Defines : Adjective What is an Adverb? Definition: 'A Word Which Defines ( Adjective, Verb, Other Adverbs) Is Called Adverb' In this video, you'll learn all about adverbsYou will be able to answer the question: 'What is an adverb'You will be able to find adverbs.

What does adverb mean