英语语法-英语语法大全8.docx

美联英语提供：英语语法-英语语法大全8关于英语那些你不知道的事都在这里/test/quwen.aspx?tid=16-73675-0[英语语法手册]情态动词--should should情态动词Should表示劝告、 建议 时这时should常译作 应当。如：We Should learn about the computer and make full use of it.我们应该了解计算机并加以充分利用。You should listen to the doctors advice.你应当听大夫的话。You should study the article care fully. 你应当细，心学习这篇文章。should还可以表示 预测、可能They should be here by now.他们现在可能到了。The reference book should be in the reading-room.这本参考书可能在阅览室里。should有时表示说话人的感情如惊奇、愤怒、失望等Why should I go? 我干吗要去?(不满)I am sorry that he Should be so obstinate.我很遗憾，他竟这样固执。(失望)Its strange that it should be so hot today.很怪，今天怎么这么热。(惊奇)should后跟动词的完成式时这时句子指的是过去的事情。如果是肯定句，常说明某件事本应完成而未完成；如果是否定句，表示发生了不应当发生的事情.如：You should have stopped at in red light. 你见了红灯本应该停车。You Should not have gone back to work without the doctors permission.你不应当未经医生许可就回去工作。He Should have come earlier. 他应早一点来。[英语语法手册]情态动词--will Will情态动词Will可用于各人称，表示 意志、意愿、决心、允诺等。如：I will try. 我愿一试。I will do my best. 我一定尽力而为。We will never do it again. 我们永远不会再做此事了。Which will you fake?你要哪一个?Who will go with me? 谁愿和我一同去?will在疑问句中用子第二人称时这时句子表示说话人向对方提出请求或询问。如：Will you please explain the sentence once more?请你再把这个句子解释一遍好吗?Will you have western food or Chinese food，Mr. Smith? 史密斯先生，你吃西餐还是中餐?Will you pass me the butter? 请你把黄油递给我好吗?注意下面句中的wont亦表请求：Wont you come in ?请进来好吗?[注一] 在条件状语从句中须用现在一般时表将来，但当will用作情态动词表意愿时，则亦可用于条件状语从句，如Ill be glad if you will come.(你如愿来，我将会很高兴)。[注二]will在下面句子中 = I suppose(我猜想)或probably(大概)。如：This will be the room you are looking for. 这大概就是你要找的那个房间。You will remember the story I told you the other day.你们大概还记得我那天给你们讲的那个故事。[注三]will有时表示一种习惯动作或状态。如：Water will boil at 100 degrees Centigrade.水总是在摄氏100度煮沸。Boys will be boys.男孩子总是男孩子。[英语语法手册]情态动词--would Would是will的过去式，可用于各人称，表示过去时间的意志、愿望和 决心等。如：He declared that he would do everything to help us. 他说要尽一切可能来帮助我们。I told peter that I would go along wit him.我告诉彼得我要跟他一块去。All in e doctors and nurses told Dr. Bethune not to give his own blood to the wounded, but he wouldnt listen.和护士劝白求恩大夫不要把自己的血输给伤员，但是他不听。would用来表示现在时间时这时wo