Adverbs are a common part of speech. They can modify a verb or an adjective. In many cases, they have the suffix -ly. However, many adverbs do not have this suffix and in fact, adverbs can be classified into many types.
Adverbs of manner often have the suffix -ly. Examples of adverbs of manner include quickly, nicely and regularly. Adverbs of manner without the -ly suffix include well, fast and hard.
Adverbs of frequency are also very common. They include always, often and never.
Adverbs of degree modify adjectives. They include very, really and too.
Adverbs of comment form a large group. They include fortunately, obviously and hopefully.
Adverbs of certainty are another group. They include definitely, probably and maybe.
Adverbs of time are frequently used. They include today, now and soon.
Adverbs of place are also frequently used. They include here, there and nowhere.
Conjunctive adverbs can be used to connect independent clauses. They include however, furthermore and therefore.
Adverbs are an important part of speech. Though they usually modify verbs, they can also modify adjectives. Along with adverbs of manner, adverbs can be classified into many other groups.