would 的意思,what would youlike ?中would 起什么作用

Would youlike to have ice cream? what would happen if...中would是什么意思 what place would youlike to live后要不要加in what else would you like的意思 请问这句话中would的作用 关于英语：would和would what would Would liKe的意思 what would you do什么 what would you like to do的意思?what would you like to be famou what would i do without you什么意思? what would you like to buy什么意思 would ,would be 什么区别