Các cấu trúc câu điều kiện khác

Các cấu trúc khác diễn tả điều kiện

Trong câu điều kiện có thật, có thể xảy ra ta có thể thay if = when/in case/ as long as/ so long as/ provided that/ providing that/ only if/ on the condition (that)

Ví dụ:

If you promise to return it by lunchtime, you can use my bike.

= In case/ as long as/ so long as/ provided that/ providing that/ only if/ on the condition (that) you promise to return it by lunchtime, you can use my bike.

V/Don't + V+ O + or + S + will + V

Ví dụ:

Hurry up or you will miss the last bus.

(= If you don't hurry up, you will miss the last bus.) Don't eat too much or you will be overweight.

(= If you eat too much, you will be overweight.)

Unless = If... not (trừ khi)

"Unless" luôn đi với mệnh đề khẳng định = "if" + mệnh đề phủ định

If you don't study hard, you won't pass the exam.

= Unless you study hard, you won't pass the exam.

If you call her right now, you will get some information.

= Unless you call her right now, you won't get any information.