［情态动词］will和would
注意：1）would like；would like to do = want to 想要，为固定搭配。例如：
Would you like to go with me？ 想和我一块去吗？
2）Will you？ Would you like？ 表示肯定含义的请求劝说时，疑问句中一般用some， 而不是any.例如：
Would you like some cake？ 吃点蛋糕吧。
3）否定结构中用will，一般不用would， wont you是一种委婉语气。
Wont you sit down？ 你不坐下吗？
