祈使句型 表示命令、请求、劝告等含义。否定祈使句是：在谓语动词前加do not（...，don‘t,not,单词记忆法、语法用法，与don‘t,not, 相关例句、名人名言

don‘t单词相关例句：

　　= Why don‘t you go to see the film with us? 为什么不和我们一起去看电影呢？
not单词相关例句：

Smokers and nonsmokers can not be equally free in the same railway carriage.——Ceorge Bernard shw. British dramatist.  吸烟者和不吸烟者在同一节车厢里无法享受同样的自由。英国剧作家 肖伯纳，.G.  
The secret of being miserable is to have leisure to bother about whether you are happy or not .——George Bernard Shaw, British dramatist痛苦的秘密在于有闲功夫担心自己是否幸福。英国剧作家肖伯纳。G。
The secret of being miserable is to have leisure to bother about whether you are happy or not . (George Bernard Shaw , British dramatist )——痛苦的秘密在于有闲功夫担心自己是否幸福。 (英国剧作家 肖伯纳 . G .)
I have long since abandoned the notion that higher education is essential to  either success or happiness. Hot houses of learning do not always grow anything edible.Robert Moses, American state govenment officer——我早已抛弃了这种观念：高等教育是通往成功或者幸福的必由之路。知识的“温室”并不总能生长可供食物用的粮食。美国州政府官员  摩西  R
Ingratitude is a kind of weakness; clever men are not ungrateful. 忘恩负义是一种软弱的表现；明智的人不会忘记别人的恩德。
He is not fit to command others that cannot command himself. 正人先正己。
Action is the  last resource of those who know not how to dream.   Oscar Wilde, British dramatis   不善于想象的人一切乞求于行动。英国剧作家  王尔德  O .  
It is conflict and not unquestioning agreement that deeps freedom alive. In a free country there will always be coflicting ideas, and this is a source of strength.——Thomas Jefferson. American president  使自由保持活力是冲突而不是绝对的一致。在一个自由的国家里总会有各种相冲突的思想，而这正是力量的源泉。美国总统杰斐逊 .T.  
Do not , for one repulse , give up  the purpose that you resolved to effect .(William Shakespeare , British dramatist)  不要只因一次失败，就放弃你原来决心想达到的目的。(英国剧作家 莎士比亚.W.)
Sharpening your axe will not delay your job of cutting wood. 磨刀不误砍柴工.