Simple tenses Present simple tense Structure (+) S + tobe/ verb + V (N, Adj) Tobe: Am/ is/ are Verb: I, you, we, they - Verb inf He, she, it - Verb + s/es Eg: He is a student. We go to school every morning. (-) S + tobe not/ don't, doesn't verb + V (N, Adj) Tobe: Am not, isn't...