熱點之五：not until置于句首引起后面句子的部分倒裝
not until意為“直到……才……”，位于句首時引起后面的主句倒裝。如：Not until the teacher came did he finish his homework．（直到老師來了他才完成作業(yè)。）
【原題重現(xiàn)】6．Not until all the fish died in the river ____ how serious the pollution was．（NMET1995）
A．did the villagers realize
B．the villagers realize
C．the villagers did realize
D．didn’t the villagers realize（key：A）
【簡析】本題便是not until置于句首引起的部分倒裝。
not until意為“直到……才……”，位于句首時引起后面的主句倒裝。如：Not until the teacher came did he finish his homework．（直到老師來了他才完成作業(yè)。）
【原題重現(xiàn)】6．Not until all the fish died in the river ____ how serious the pollution was．（NMET1995）
A．did the villagers realize
B．the villagers realize
C．the villagers did realize
D．didn’t the villagers realize（key：A）
【簡析】本題便是not until置于句首引起的部分倒裝。