倒装句结构
主句倒装
Not until she took off her glasses did I recognize she was Li
Yuchun.
Thank you !
Practice：until/ not…until 1.Will the fish keep ________ tomorrow? 这鱼能搁到明天吗？ 2.She _______ go to bed _______ 11:00pm last night. 3.You can wait here _____ help comes. 你可以在这里等，直到 有人来帮你。 4. I _____ notice it until he told me.
Until 与持续性动词连用， 意思是“直到……时； 直到……为 止” Not …until 与短暂性动词连用，意思是“直到……才” 他们后面可以接时间点，也可以接时间状语从句。
Practice：translation 1.直到我回来你才可以离开。 2.她一直等到了八点钟。 1.You can’t leave until I come back. 2.She waited until 8:00.
2、用It is/was not until 从句 that...结构表示
It was not until __I_b_e_c_a_m__e_m_o_n_i_to_r__o_f _ou_r__cl_a_s_s__ that
_____________________________ I realized the importa考题改编
直到我成为我们班的班长，我才意识到团队合作的重要性。
解题步骤：
1、用not until的基本结构翻译 主句 I did not realize the importance of team work until I became monitor of our class. 从句
一. 强调句练习(优化p7先自学)
eg： I came across one of my old friends in the park last night.
It is I who/that came across one of my old friends in the park last night. It is one of my old friends whom/that I came across in the park last night. It is in the park that I came across one of my old friends last night.
did she find her mother alive
Not until 用法总结 基本结构： not + 主句+ until + 从句 强调句结构：It is/was not until + 从句+that + 主句
倒装句结构: Not until + 从句 + 倒装的主句
主倒从不倒
用not until的三种结构翻译下面的句子
not until的三种用法： 基本结构 强调句结构 倒装句结构
Not until 的基本结构 直到车停了，我们才下了公交车。
We did not get off the bus until it stopped.
主句
从句
基本结构： 主not 句 + until +从句
Not until 在强调句中的运用
直到她摘掉眼镜，我才认出(recognize)来她。 基本结构
I did not recognize her until she took off her glasses.
强调句结构
It was not until she took off her glasses that I recognizeed her.
强调句结构：It is/was not until + 从句 +that +主句
We did not get off the bus until it stopped.
主句
从句
肯定形式
It was not until _it_s_to_p_p_e_d__that _w_e_g_o_t _o_ff_th_e__bu_s_
→ It wasn't until he finished his homework that he went to bed. (强调句)
【结论】not …until …结构用于强调句中，not 要提前到until 之前，放在be动词后。即：It wasn't until …that ＋句子的其余 部分。
Not… until“直到…才”表示在这个界限之前一直没有发生这 个动作。 Until “直到…时”表示这个动作一直延续到这个动作出现时。
Not until 用于强调句型中。 【例句观察】
He didn't go to bed until he finished his homework. (对画线部 分进行强调)
肯定形式
Not until 在倒装句中的运用
倒装结构：Not until +从句 + 倒装的主句
We did not get off the bus until it stopped.
主句
从句
倒装
Not until _it_s_从t_o句_p_p_e_d d_wi_de_w_d_ie主d_g_g句e_et_to_o_ff_ft_thh_e_eb_b_uuss
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高考链接
Not until two days after earthquake ____________ di(d她s发he现f)ind shheefromunotdhehrear lmiveo.th(feinrda)live 解题步骤：
1.判断句型： Not until 在句首考倒装。 倒装
2.回忆结构：Not until 从句+倒装的主句
【例句观察】 It wasn't until he finished his homework that he went to bed. (强调句)