`1.` If she had bike, she wouldn't come her office a little late

`-` Câu điều kiện loại 2: If + S + V(QKĐ), S + would + V-inf

*QKĐ bao gồm to be nữa nhé 

`2.` If the meeting hadn’t been so long, they wouldn’t have felt tired

`-` Câu điều kiện loại 3: If + S + had + Vp.p, S + would/should/ ... + have + Vp.p

`3.` Unless he hurry, he will be late for school

`-` Câu điều kiện loại 1: Unless = If not = trừ phi

1. If she had bike, she wouldn't come her office a little late

-> If loại 2: If + S + V(quá khứ) (tobe->were) , S + would/could/might + V(nguyên mẫu)

2. If the meeting hadn’t been so long, they wouldn’t have felt tired

-> If loại 3 : If + S + had + V-PII, S + would/could/might + have + V-PII

3. Unless he hurries, he will be late for school

-> Cấu trúc: Unless + S + V (simple present), S + will/can/shall + V