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.
If you are uncertain whether a word is an adverb or not, use a dictionary to determine its part of speech. Adverbs can also be multi-word phrases and clauses. Here are some examples: At 2 a.m. , a bat flew through Deidre's open bedroom window. The prepositional phrase at 2 a.m. indicates when the event happened.