请问 I am going to shave.和 I want to shave.表达的意思有什么区别?

请问 I am going to shave.和 I want to shave.表达的意思有什么区别? I am going to shave变现在进行时 I am going to America和I am going to go to America有什么区别? I will和I am going to有什么区别? i am going to swim 和i am going to go swimming有什么区别呢 i am going 和i am going to 的区别 英语语法：i am going to..和 i am about to 有什么区别 I have to shave off beard用所给词的适当形式组成句子 i am going to beijing ,与i am going to go to beijing 有什么区别 I am going to Shanghai.和I am going to go to Shanghai.的区别是什么? I will和I am going to的区别? I am going to shopping和I am going to shopping 的区别