1.would的各种形式
(1)would作为情态动词,第三人称单数不用加s.
He would eat nothing.他不肯吃东西; 他什么也不愿吃。
(2)否定句和疑问句不用借助助动词do
I would not(wouldn't) go to school today because of holiday.我今天将不会去学校,因为放假。
(3)would后面一般跟动词原词。
He would come to see us on Sundays.过去星期天他经常来看望我们。
2.would的用法
(1)would是will的过去式。表示请求或个人想法、看法,语气比will更婉转。试比较下面的句子:
Will you open the window,please?你能打开窗户吗?
Would you open the window,please?你能帮我打开窗户吗?(请求的语气更委婉)
(2)would表示过去的习惯动作
would表示过去的习惯动作,常译为”常常, 总是”,如:
She will talk to herself for hours.她将自己独处几个小时。(现在的习惯)
She would talk to herself for hours.她自己独处了几个小时。(过去的习惯)
(3)表示意愿,译为“愿; 偏要, 肯”
He won't do his homework.他不想做作业。(现在的意愿)
He wouldn't do his homework.他过去不想做作业。(过去的意愿)
(4)表示推测,译为“大概, 该是”
I would be about ten when my brother left home.我哥哥离开家时, 我大概十岁左右 。
3.would可以用于虚拟语气中。
would表示虚拟, 假设, 虚构, 常用于if引导的从句中,表示与将来事实可能相反的假设。
I would tell you if I knew.如果我知道,我将告诉你。