he didn't finish his work until the bell rang => Not until
2 câu trả lời
Trả lời:
4. He didn't finish his work until the bell rang.
-> Not until the bell rang did he finish his work.
(đảo ngữ với Not until: Not until + mệnh đề/ trạng ngữ chỉ thời gian + trợ động từ + S +V)
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He didn't finish his work until the bell rang
=>Not until the bell rang did he finish his work
Cấu trúc đảo ngữ với "Not until":
Not until+time+trợ động từ+S+V-bare+....
