21.11 will和would
注意：
1）would like； Would like to do = want to 想要，为固定搭配。
Would you like to go with me?
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。
Would you like some cake?
3）否定结构中用will，一般不用would, won't you是一种委婉语气。
Won't you sit down?
