... Gerund or infinitive (Verb-ing” hay “to verb)To verb: dùng sau các động từ sau: Nhóm 1Decide: quyet dinhDetermine: quyet tamDemand: yeu cau, doi hoi.Help: giúp đỡ ... discover, find out, know, learn, remember, see, show, think, understand, wonder…Eg: he wonders when suitably to ask her hand.Nhom 6: used as a verb of purpose Eg: what are you learning English ... co the lam giTo do ( or try)one’s best: cố gắng hết sứcMake up one’s mind= decide… Nhom 8: infinitive used as an object of verb, often is “ tobe”.Eg: my dream is to become a singer.Nhom...