4、would 可以表示过去的习惯,类似used to:
He would come to see me on Sunday when he was here. 他在这里的时候,星期天就来看我。
The dog would lie there in the sun all afternoon. 那只狗常常整个下午躺在那里的太阳底下。
When we were children, we would go skating every winter. 小的时候,每年冬天我们都去滑冰。
5、will可以表示“愿意、肯、会、固执”等意义,而非将来:
I meant to reason with you, but you won’t reason. 我打算和你讲理,但是你就是不讲理。
I will pay you for it. 我会付给你钱买下它的。
Go where you will. 到你愿意去的地方。
She won’t so much as look at David. 她连看都不看一眼大卫。
We’re going on a climbing trip. Come if you will. 我们要去爬山。你愿意的话就跟我们一起来。