Why is fastly not an adverb?

9 Answers. There is no need for “fastly” because “fast” is both an adjective and an adverb. So, “I ran fast” is completely correct. The existence of “fast” as an adverb does not preclude the future development of a word “fastly”, but it does hinder it.

Is fastly a correct adverb?

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”, and such usage is completely correct.

Why is slowly an adverb?

Example: He walked very slowly. (In this case, we know slowly is an adverb because it describes how he walked. However, very is also an adverb, and it modifies or describes how slowly he walked.)

Are fast and slow adverbs?

Both “slow” and “fast” can be either adjectives (a slow drip, a fast computer) or adverbs (The nervous student turned the knob slow. The car goes fast.) As adverbs, “slow” and “fast” describe how an action was taken. “Slow,” however, can become “slowly.” (“Fastly” isn’t accepted as a standard form.)

What is the difference between slow and slowly?

Usually slow is used as an adjective and slowly is used as an adverb, but slow can also be used as an adverb. When an adverb does not have the usual -ly ending it is called a flat adverb or plain adverb and it looks the same as its adjective form. (Note: Slowly is never used as an adjective.)

Is Slowly a adverb?

Slowly is only an adverb. It can replace slow anywhere it is used as an adverb.

Can slower be an adverb?

Slower can either be an adjective, or an adverb. “Speak slower” is grammatically correct. “*Slowlier” is not a word.

Is Slowly an adverb of manner?

(The adverb of manner is slowly. When using these adverbs, be careful not to place them between the object and the verb. They often fit best after the sentence’s object or main verb.