Yes, both may be used as adverbs, while away can also be used as an adjective.
Yes.
he surely believes in you
perhaps might must be
Maybe/Perhaps, probably, possibly...
There are many words of that but a few examples are tomorrow, today, and now.
Examples of 3 letter adverbs are:anyfarhownowtoowhyyetNote: Some of the listed adverbs can also function as other parts of speech.
Ten examples of adverbs are:almostbadlycarefullydoubtfullyeasilyformallygrandlyhighlyjoyfullykindly
Quickly, loosely, easily, and merrily are examples of -ly adverbs.
adverbs of duration tell how long something happened. adverbs of duration describe how long an action is done
he surely believes in you
harshly
Adverbs describe verbs. Here are some examples with the adverb italicized:Sarah quickly went to the store.Eunbe spoke loudly.John softly whispered.
There are many examples of French adverbs of manner just like in English. A few examples are "rapidement" meaning "rapidly," "absolument" meaning "absolutely," and "vraiment" meaning "truly."
Adverbs of place (location,direction) will answer the question Where?Examples: I walked downstairs.Other common adverbs of place are anywhere, away, backward, down, east, elsewhere, far, here, indoors, inside, near, nearby, north, outside, south, there, upstairs, and west. More rarely, prepositions can act alone as adverbs of place: in, on, off, under, above, below, behind, and out.
finally. You can often recognize adverbs by the -ly ending.
Ten examples of adverbs are:almostbadlycarefullydoubtfullyeasilyformallygrandlyhighlyjoyfullykindly
perhaps might must be
Maybe/Perhaps, probably, possibly...