not until……的表达是什么意思?后面怎么倒装?

中文意思是‘直到...才...’应该是条件状语从句吧

直到才
1/位于句首时全部倒装和部分倒装用法详解 1 ...Never did she care about her own safety, though she was in great danger herself.虽然她处于极大的危险之中，但她根本不顾自己的安全。3.not until位于句首时。
2、引导的句子要倒装
3、(一就),not until(直到才),after(在之后),引导的主从复合句,主句为一般将来时,从句则用一般现在时来代替一般将来时。

not...unitl ...（直到.....才...）

It was not until 22：30 did he get home. =He didn't get home until 22:30.
直到夜里10点半，他才到家。
not until 连用表“强调”，后面的助动词要提前。

知道。。。。才
后面部分倒装，把助动词或者情态动词提前

not until 引起的时间状语置于句首时,句子的主谓应部分倒装.由 not until 引导的时间状语从句位于句首时,主句应部分倒装,从句语序不变.如：
Not until 1998 did he return to his hometown.
直到 1998 年他才回到家乡.
Not until Father came back did we begin to have supper last night.
昨晚直到父亲回来,我们才开始吃晚饭.
注意：当 not until 引导的状语或状语从句用于强调句型时,句子的主语不倒装.如将上两句改为强调句应为：
It was not until 1998 that he returned to his hometown.
It was not until Father came back that we began to have supper last night.

not…unitl （直到……才）

It was not until 5：30 did he come into the classroom

直到5:30，他才进了教室。



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