Under the DSM-5, there are eight types of substance use disorders that doctors can diagnose. Caffeine is also listed as a substance-related disorder under DSM-5, however, it is not designated as a substance use disorder.2. Alcohol.
adverbs answer the questions-how ,why,when and where.ie,adverb of manner,adverb of purpose and reason,adverb of time and adverb of place.
An adverb is a part of speech used to describe a verb, adjective, clause, or another adverb. It simply tells the readers how, where, when, or the degree at which something was done. 1  The manager accepted the challenge very nicely.  The italicized word is an adverb that describes nicely, which is another adverb.