not...until用于强调句型的用法
有这样一道考题,其中涉及了 not…until… 句型:
It was not __________ he took off his dark glasses __________ I realized he was a famous singer.
A. when,that B. until,that C. until,when D. when,then
此题选 B。考查 not...until 的强调结构,其基本句型为:
It is (was) not until (时间状语) that (不用否定)
他妻子走了之后他才来。
正:He didn’t come until his wife left.
正:It was not until his wife left that he came.
直到雨停他们才出发。
正:They didn’t start until the rain stopped.
正:It was not until the rain stopped that they started.
请做以下各题:
1. It was not until midnight ________ the noise of the street stopped.
A. that B. this C. since D. at which
2. It was not _______1920 _______ regular radio broadcast began.
A. for,that B. until,that C. for,when D. until,when
3. It was not _______ you had explained how ________ I managed to do it.
A. for,that B. until,that C. for,when D. until,when
答案:1. A 2. B 3. B