"Not...Until"是英语中表示某事在特定时间之前未发生,直到特定时间才发生的常见表达方式。基本结构是:not + 动词 + until。多用于过去时态,但也可用于现在时态和将来时态。注意,"Not...Until"本身就是否定形式,不需要再加入其他否定词。另外,"Not...Until"通常用于表示某个动作,因此需要注意句...
Not until the teacher came in did the students stop talking直到老师来学生们才停止讲话 Not until next week will the sports meet be held.直到下个星期才才运动会 It was not until his mother came back that he had lunch.直到母亲回来他才吃饭 It was not until the teacher came in th...
直到走投无路才攻击人类 和不攻击人类除非是走投无路 前者 用not ...until强调 时间 什么时候才攻击人类?后者 用unless 强调条件 什么情况下 才不攻击 人类?两句意思 虽然一样 但 着重点 不同 当Not until位于句首时,句子要倒装。其结构为:Not until+从句/表时间的词+助动词+(主句)...
(1)Not until …在句首,主句用倒装。Not until the early years of the 19th century did man know what heat is.直到19 世纪初,人类才知道热能是什么。Not until I began to work did I realize how much time I had wasted.直到我开始工作,我才认识到了我已蹉跎了几多岁月。(2) It i...
否定句:She didnt arrive until 6 oclock.直6点她才 到.Dont get off the bus until it has stopped.公共汽车停稳再下车 .I didnt manage to do it until you had explained how.直到你教会我我才会做 .否定句用另外两种句式表示 :(1)Not until …句首主句用倒装 Not until the early ...