that
not until 前面是 it be 的强调结构中用:it is/was not until + 表示时间的词/从句 + that ...
例句:It was not until 1974 that his ability to write gelled again. 直到1974年,他的写作才华才又得以发挥。
when
没听过
did(助动词)
not until 位于句首时用于倒装:Not until + 表示时间的词/从句 + 助动词 + ...例句:Not until they heard that she was safe and sound(adj.未受伤的) | were their minds set at rest. 听到她平安无事的消息,大家心里才一块石头落地。