HIGHER EDUCATIONCONDITIONAL AND WISH SENTENCES A. CONDITIONAL SENTENCE...
1. “If ……not” có thể thay bằng “Unless”
Ex:
If he doesn’t show up in 5 minutes, we will leave without him.
=> Unless he shows up in 5 minutes, we will leave without him.
- Unless you study hard, you’ll fail in the exam.
=> If you don’t study hard, you’ll fail in the exam