... Gerund or infinitive (Verb-ing” hay “to verb) To verb: dùng sau các động từ sau: Nhóm 1 Decide: quyet dinh Determine: quyet tam Demand: yeu cau, doi hoi. Help: giúp ... 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 ... gi. It’s no use/good: khong dang de lam gi, khong can thiet truong hop co the dung ca infinitive hoac gerund: sau begin, start, continue, intend, bore, … co the dung infi va gernd ma nghia ko...