Answer: C) Once
Explanation for this question is being written.
Answer: B) Incorrect
Answer: B) Twice
Answer: D) Frequently
Answer: B) Rarely
Answer: C) My brother rarely cleans his room.
Answer: A) Adverb
Answer: D) Lately
Answer: B) Never
Answer: D) He usually plays guitar in the evenings.
Answer: A) Ever
Answer: C) Casi nunca.
Answer: A) Once a week.
Answer: C) Adverb
Answer: C) Is always.
Answer: B) Frequency
Answer: A) Seldom
Answer: A) Rarely
Answer: C) Every day.
Answer: B) Sometimes
Answer: B) Always
Answer: C) Usually
Answer: B) Adverb of frequency.
Answer: C) Rarely
Answer: A) Adverb of Frequency.
Answer: A) Never
Answer: C) Adverbs of frequency.
Answer: A) Sometimes
Answer: C) Sometimes
Answer: D) Always, sometimes and never.
Answer: B) Adverbs of frequency.
Answer: A) I always do the housework with my brother.
Answer: C) Always
Answer: C) Never
Answer: B) Frequently
Answer: D) I usually go to the library.
Answer: C) ['always', 'usually', 'sometimes'].
Answer: A) Always
Answer: B) Generalizations
Answer: A) I always eat breakfast.
Answer: B) Adverb
Answer: E) Frequency
Answer: A) After verb to be.
Answer: C) How often an action occurs.
Answer: B) Subject + to be + adverb + complement.
Answer: C) EVERY TUESDAY, WEDNESDAY, THURSDAY AND FRIDAY.
Answer: C) Infrequently