- Dong vai tro nhu mot Subject Ex: Smoking is not good for your health. - Dong vai tro nhu mot Object Ex: I hate chatting. - Dong vai tro nhu bo ngu (complement) Ex: My hobby is swimming. | Gerund and Infinitive after Verb I- Gerund V_ing 1 Chuc nang function - Dong vai tro nhu mot Subject Ex Smoking is not good for your health. - Dong vai tro nhu mot Object Ex I hate chatting. - Dong vai tro nhu bo ngu complement Ex My hobby is swimming. - La tuc tu cua gioi tu Object of preposition I am interested in learning English. 2 Verb Gerund acknowledge admit anticipate avoid can t help celebrate consider defend delay deny defer appreciate detest discuss dislike endure enjoy escape excuse feel like finish go imagine keep continue loathe mean involve mention mind object to miss omit postpone practice prevent prohibit quit recall recollect recommend regret report resent resist resume risk suggest tolerate understand . doing something. 3 Be Adjective preposition gerund Mot so dong tu phai co gioi tu di cung. Dong tu theo sau nhung dong tu nay la V_ing. BE accustomed to afraid of angry at someone about ashamed of capable of certain of about concerned with critical of discouraged from enthusiastic about familiar with famous for fond of glad about good at happy about incapable of interested in jealous of known for nervous about prefer for proud of responsible for sad about successful in suitable for tired of tolerant of upset about used to useful for worried about