Loại 1 : if +S+V s(es)... S+(will,can,may)+V1

Vd: If John has the money, he will buy a Ferrari.

Loại 2: if +S+V2/V-ed... S+would/could/should +V1

Vd: If he had more time, he would learn karate.

Loại 3: if+S+had+P.P... S+would/could/should +have+P. P

Vd: If the forwards had run faster, they would have scored more goals.

Câu điều kiện:

+) Loại 0 : If + S + V(s,es), S+ V(s,es)/câu mệnh lệnh;

+) Loại 1: If + S + V(s,es), S + Will/Can/shall…… + V

- Ví dụ: If the weather is nice, I will go swimming tomorrow.;

+) Loại 2: If + S + V2/ Ved, S +would/ Could/ Should…+ V

- Ví dụ: If I were you, I would follow her advice