五、 not long before 意为“不久……就……”

例21 It was not long before he appeared. 他不久就出现了。

例22 It will not be long before we finish the experiment. 我们不久就完成了实验。

六、 否定词＋without 意为 “ 每……必”

例23 I never see her without thinking of my younger sister. 每次见到她，我就想起我的妹妹。

例24 What appeared to me wonderful was that none of the ants came home without bringing something. 使我感到惊奇的是每只蚂蚁回来都带回一些东西。

例25 There is no smoke without fire. 有烟必有火。

七、 no（none） other than意为 “仅仅，完全”

例26 This is no other than the book we want to buy. 这正是我们要买的那本书。

例27 She is none other than my teacher. 她正是我的老师。

例28 The letter was written by none other than Mary. 写这封信的正是玛莉。

八、 too + 形容词 / 副词 + not ＋ 不定式 “非常……必定能， 太……不会不”

1. 本句型是对too … to 的否定，表示肯定意思。

例29 His speech was too good not to stir the audience. 他的演讲太好了，不会不使观众轰动。

例30 He is too wise not to solve this problem. 他那么聪明，一定会解决问题。

例31 He is too foolish not to say it. 他那么傻，不会不把这事说出来。

2. 若 把否定词放到前面not too … to 表示这并不太……所以能。

例32 English is not too difficult to learn. 英语没有难到不能学的程度。

例33 He is not too old to do it. 他做这件事，年龄并不老。

3. never too … to (永不/决不……)。

例34 It is never too late to give up prejudices. 放弃偏见永远不晚。

九、 more often than not意为 “常常，往往”

例35 John is a good swimmer. He wins more often not. 约翰是个游泳健将，他常常在比赛中获奖。

例36 During bad weather the trains are late more often than not. 在天气不好时，火车常常晚点。

例37 The street is crowded more often than not.这条大街常常很拥挤。

十、 否定词＋比较级（ 相当于最高级）

例38 I couldn‘t agree more. 我非常同意。

例39 Nothing is more valuable than health. 健康是最宝贵的。

例40 Never is more beautiful flower than this!这是我见过的最美丽的花!

十一、 not a little意为 “很，很多”

例41 He is not a little tired. 他非常累。

例42 He has not a little experience.他有着丰富的经验。