儅Not until位於句首時,句子要倒裝。 其結搆爲:Not until+從句/表時間的詞+助動詞+(主句)主語+謂語+…。 如: ①Not until the teacher came in did the students stop talking.直到老師進來學生們才停止講話。 ②Not until next week will the sports meet be held.直到下周才開運動會。