1/ SO SÁNH HƠN a/ Với tính từ ngắn form: S + Be ( is/am/are ) + adj_er + than + O. ( có thể có ” than ” hoặc không ) VD: I’m taller than my younger brother. The shorter girl is my elder sister. b/ Với tính từ dài form: S + be ( am/is/are ) + more + adj + than + O. ( có thể có ” than ” hoặc không ) VD: She is more beutiful than me. Life is more comfortable now. 2/SO SÁNH NHẤT a/ Với tính từ ngắn form: S + be ( am/is/are ) + the adj_est + O ( in / of… ). VD: I’m the youngest in my family. Today was the hottest day of the month. b/ Với tính từ dài form: S + be ( is/am/are ) + the most + adi + O ( in/of… ). VD: Who is the most intelligent in your class? This exercise is the most difficult in my homework. 3/ SO SÁNH NGANG BẰNG form: S + be/V ( + not ) + as + adj/ adv + as + O. S + be/ V ( + not ) + the same ( + N ) + as + O. VD: Huy’s brother isn’ t as handsome as him. Nhung is the same age as Hoa.