adverb

"The grammar lesson explained how to identify the main and subordinate clauses in complex sentences. "

"The words “big” and “heavy” are English adjectives."

"The teacher explained the new math concept quickly. "

"The outside of the school building was painted a bright yellow. "

"The teacher asked us to memorize some common phrases in Spanish. "

"The reasons are various."

"My son is studying grammar in his English class. "

"We are going hiking in the mountains this weekend for fun and exercise. "

"The students will become at the school library at 9:00 AM. "

"I often went outside hiking during my stay in Japan."

"The tailor modifies the pants to make them shorter. "

"The storm during all night. "