... Topic1: THE INVIRONMENT PERIOD 1: REVIEW ON TENSES AND GERUNDS A. Revision: 1. Present simple – Future simple Tenses Affirmation Negation Interrogation With Presen t simple S + am/ ... ? Tomorrow, tonight, soon, next, someday, in the future 2. Gerunds: Là dạng động từ thêm ing đi sauu một giới từ hay động từ khác. Formation: 1. S + V + preposition + V-ing: (in , on, of, about, ... am/ is/ are not S + don’t/ doesn’t + V 1 Am/ Is/ Are = S + ..? Do/ Does + S + V 1 ? Everyday, usually, often, never, usually, hardly, In the morning/ afternoon/ evening: ,On Mondays/ at weekends...