... argument (n) tranh cải requirement (n) sự đòi hỏi heyday (n) thời hoàng kim Ex: -The girl standing (who is standing) behind the counter looks very lovely. - Staying (She stayed) in the bed, ... Ex: - She apologized for not having finished the project. - Having found a hotel, they looked for somewhere to have dinner. - acceptance, attendance, observance GRAMMAR A. Gerund (V-ing) ... He is reading books in the library at the moment. 2. Sau các động từ chỉ tri giác: see, watch, hear, catch, find, smell, notice, Ex: They watch the birds flying in the sky. 3. Trong các...