The villagers didn’t realize how serious the pollution was until all the fish died in the river.
He didn’t go to bed until his mother came back.
当Not until位于句首时,句子要倒装.其结构为:Not until+从句/表时间的词+助动词+(主句)主语+谓语+.如:
Not until the teacher came in did the students stop talking.
Not until next week will the sports meet be held.
Not until I got married could I afford to buy a house of my own.
Not until all the fish died in the river did the villagers realize how serious the pollution was.
Not until his mother came back did he go to bed.
3. not…… until的强调结构
一般为:It is / was not until+从句/表时间的词+that+.
It was not until the teacher came in that the students stopped talking.
It is not until next week that the sports meet will be held.
It was not until I got married that I could afford to buy a house of my own.