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 that modifies a verb usually tells you when, where, how, in what manner, or to what extent the action is performed. (NB: The ones that end ly are usually the ones that tell us how the action is performed, e.g., quickly, slowly, carefully, quietly.) Here are some examples of adverbs modifying verbs: