Neither is correct in English. The correct form would be -
" David is a fast driver "
No fastly is not a word. Fast is an adverb so you can say: He ran fast.
"Fastly" is not a word. However, "quickly" is a word which you can use. The words "speedily" and "hurriedly" would also work.
"Fastly" is not a word. The appropriate word to use in place would be quickly."She is doing it quickly" or "She is doing it fast" are both acceptable.
Yes, but not for fast referring to speed.The adverb fastly is an alternate form of the adverb "fast" meaning securely or tightly (tied or bound).
Yes,it is an adverb, but it has nothing to do with speed. Fastly means securely, as in made fast (tightly attached or anchored). The adjective fast (quick) is also an adverb (quickly).
Even though fastly is not a real word, there are two syllables in "fastly". "Fast-ly"However, quickly is a better adverb just to let you know. It also has two syllables. "Quick-ly"
Although "fastly" sounds like it would be the adjective form of fast (i.e. to say something is done in a fast manner), but such a word does not exist.The word that means that an action was done in a short amount of time is quickly.
Changes that take place within seconds are known as fast change. For example bursting of a fire cracker is a fast change and a forest fire can spread very fastly.
There is no such word as "fastily." The adverb "fastly" means securely (made fast or attached). The word fast is the adverb used to mean speedy or quick.
Fast can be both an adjective and an adverb for "moving fast" (rapid, rapidly), and for "held fast" (secure, securely). The car drove fast. (adverb) The line must be tied fast to the pier. (adverb) * The form fastly, when used, refers to this second meaning.
Yes, Alhmdllah (thank God), Islam is growing so fast, it is near to being the world's largest religion.
It can be either, because there is no adverb form (fastly) for speed.A fast car (adjective)He drove fast (adverb)