could have done用法详解，could have done 表示“未...，could,have,单词记忆法、语法用法，与could,have, 相关例句、名人名言

could单词相关例句：

HAPPINESS——A lifetime of happiness ! No man alive could bear it ; it would be hell on earth .(G. Bernard Shaw ,British dramatist )终身幸福！这是任何活着的人都无法忍受的，那将是人间地狱。(英国剧作家 肖伯纳. G.)
To suppose, as we all suppose, that we could be rich and not behave as the rich behave, is like supposing that we could drink all day and keep absolute sober.——Logan Pearsall Smith, American weiter  如果以为我们变富后不会像有钱人那样行事，这无异地以为我们能终日豪饮，但又能保持头脑清醒。美国作家史密斯.L.P.  
I intend no modification of my hope ...expressed personal wish that all men everywhere could be free.——Abraham Lincoln. American president  我无意改变时常表达的个人愿望： 愿天下所有的人都能自由。美国总统林肯. A  
The crash of the whole solar and stellar systems could only kill you once.( T. Carlyle )——    即使整个太阳系和星系崩溃，你也只死一次。（卡莱尔）

I didn't know that cats could sing.
我不知道猫儿还能唱歌。


I unfolded the map so I could see where I was.
我打开地图看自己在哪里。


I could hear the music from the loudspeakers.
我能从扬声器听到音乐。


Through the window I could see my beautiful garden.
透过这扇窗户我能看见我那美丽的花园。


I don't think I could climb that mountain.
我觉得我是攀不上这座山的。


I could hear the couple's quarrel from the other room.
我能听到从别的屋子传来的那对情侣的争吵声。

have单词相关例句：

It is no use doing what you like ; you have got to like what you do .——(Winston Churchill , British prime minister)不能爱哪行才干哪行，要干哪行爱哪行。 (美国首相 丘吉尔. W.)
We should put aside and postpone all other reforms; that we  have but one task-----the istruction of the people, the diffusion of education, the ecourgement of science----on that day a great step will have then been taken in our rgenerion.Leon Gambetta, French educator——我 们应该把一切改革先放下。我们只有 一项任务，就是教育人民，普及知识、倡导科学。这一天到来之时，便是我们振国兴邦之日。法国教育  爱甘必大  L
To travel through the world it is necessary to have the mouth of hog, the legs of a stag, the eyes of a falcon, the ears of an ass, shoulders of a camel, and the face of an ape, and overplus, a satchel full of money and patience. 周游世界须有猪嘴巴，鹿的腿，鹰的双
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
The world can be changed by man's endeavor, and that this endeavor can lead to something new and better .No man can sever the bonds that unite him to his society simply by averting his eyes . He must ever be receptive and sensitive to the new ; and have sufficient courage and skill to novel facts and to deal with them . (Franklin Roosevelt , American President )——人经过努力可以改变世界，这种努力可以使人类达到新的、更美好的境界。没有人仅凭闭目、不看社会现实就能割断自己与社会的联系。他必须敏感，随时准备接受新鲜事物；他必须有勇气与能力去面对新的事实，解决新问题。(美国总统 罗斯福建. F.)  
How sharper than a serpent's tooth it is to have a thankless child. 逆子无情甚于蛇蝎.
How sharper than a serpent's tooth is to have a thankless child.——William Shakespeare, British dramatist 逆子无情甚于蛇蝎。英国剧作家 莎士比亚W.
To make your life a sound structrure that will serve others and fulfil your own potential, you have to remember that strength, however massive , can't endure unless it has the interlocking supprt of others. Go it alone and you'll inevitably tumble.——Zichler Edward, Admerican writer 要使你的生活成为有益于他人同时又能发挥你自己的潜力的牢固的建筑，你必须记住，除非与他人的支持联系在一起，否则无论多么大的力量都难以持久，单枪匹马必将一事无成。美国作家 爱德华.Z.