if
/ɪf/

(conjunction)
nếu
Ví dụ:
- They would have been here by now if they'd caught the early train.
- If he improved his IT skills, he'd (= he would) easily get a job.
- You would know what was going on if you'd (= you had) listened.
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tôi phải đặt ví dụ do chính TÔI tự nghĩ ra!