not until的三种句型
(1)正常语序
The mother didn’t leave the room until the child fell asleep.
(2)倒装语序
Not until the child fell asleep did the mother leave the room.
(3)强调句型
(1)正常语序
The mother didn’t leave the room until the child fell asleep.
I didn’t know the truth of it until the next day.
(2)倒装语序
Not until the child fell asleep did the mother leave the room.
Not until the next day did I know the truth of it.
(3)强调句型
It was not until the child fell asleep the mother left the room.
It was not until the next day that I knew the truth of it.