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 word that describes or modifies a verb, an adjective or another adverb. The class adverb is also a home for unwanted words, which do not easily fit into the other categories. Therefore, the words in this class are not a uniform group. Sometimes adverbs modify pronouns: Almost everyone gave something.