[表示意愿]愿; 偏要, 肯
He would eat nothing.
他不肯吃东西; 他什么也不愿吃。
I told him not to go, but he would not listen.
我叫他别去, 可他偏不听 。
He would go in spite of our warnings.
他不听我们的`劝告, 执意要去。
[表示过去的习惯动作]常常, 总是
He would sit for hours doing nothing.
过去他常常 坐几个钟头什么事也不做。
He would come to see us on Sundays.
过去星期天他经常来看望我们。
[表示推测]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 。
[表示某种假设的意志]想要, 愿意
I could do so if I would.
要是我愿意, 我能够这样做(但我不愿意)。
If you would do this for me, I should be grateful indeed.
若是你愿意为我做这件事, 我将万分感激 。