Is the sentence " Join live class fastly " grammatically correct?

Answer 1

Many English learners use the word “fastly” as an adverbial form of “fast”, which seems quite logical because this is the way adverbs are usually formed. If something is slow, we say that it “moves slowly”. But we do not do that with the fast. Fast is both an adjective and an adverb. The "ly" ending is generally indicative of an adverb in English, but not all adverbs end in "ly", and not all words ending in "ly" are adverbs.

Answer 2

Hi Shibu,

No, the sentence that you wrote is grammatically incorrect. It should be rewritten as follows:

“Join the live class fast.” Or, “Join the live class quickly.”