cấu trúc thì hiện tại đơn

(+) S + V/ V(s/es) + Object…

(-) S do/ does + not + V +…

(?) Do/ Does + S + V?

Yes,S+do/does

No,S+don't/doesn't

cấu trúc hiện tại tiếp diễn

(+)S + am/ is/ are + V-ing

(-)S + am/ is/ are + not + V-ing

(?)Am/ Is/ Are + S + V-ing  ?

Yes,S+am/is/are

No,S+am/is/are+not

cấu trúc enough to

(+) S + tobe + adj + enough + (for SB) + to V nguyên thể               (tính từ)

(+)S + V + adv + enough + (for SB) + to V nguyên thể                (trạng từ)

(–)S + tobe not + adj + enough + (for SB) + to V nguyên thể                 (tính từ)

(– )S + don’t/doesn’t/didn’t +V + adv + enough + (for SB) + to V nguyên thể       (trạng từ)

so sánh hơn

Short Adj: S + to be + adj + er + than + Noun/ Pronoun

Long Adj: S + to be  + more + adj + than + Noun/ Pronoun

S+V/V+es(HTĐ)

S + is/are + V-ing(HTTD)

S + V + adv + enough + (for somebody) + to + V

S + to be + adj + enough + (for somebody) + to + V

S+be+more+adj+than+S

S+be+adj-er+than+s

S+V+more/less+adv+than+S