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.
Adverbs are used to modify verbs. They tell us when, where, how, in what manner, or to what extent an action is performed. Some examples: In these examples, the adverbs are all just one word, but they can be made up of more than one word.