10. If Sally had not been absent from school on Friday, she would know what she has to do for homework.
Câu điều kiện loại 2 : If + S + Verb quá khứ (Were/ weren’t/ V2/ed),S + Would/could/… + V_inf
11. Unless you like this one, I'll bring you another
Cấu trúc: Unless + S + V (simple present), S + will/can/shall + V
12. But for his being nervous, Martin wouldn't have failed his driving test last week
13. If he pays me tonight, I will have enough money to buy a car
If + S + V(s,es), S + Will/Can/shall…… + V
14. If you don't leave me alone, I'll call the police
If + S + V(s,es), S + Will/Can/shall…… + V
15. Should you arrive at the office earlier than I do, please turn on the air-conditioner
16. Had he not died so young, he would be a famous musician by now.
17. Were you to take good care of it, the car wouldn't break down so often
18. If you tell lies to your boss, you'll be fired at once
If + S + V(s,es), S + Will/Can/shall…… + V
19. Had he revised all his lessons, he wouldn't have failed the exam
If + S + Had + V(pp)/Ved, S + would/ could…+ have + V(pp)/Ved
20. If Rita had got some sleep last night, she wouldn't be exhausted today
If + S + Had + V(pp)/Ved, S + would/ could…+ have + V(pp)/Ved