为什么 I'M GOING SWIMMING 不是 TO SWIM?

为什么 I'M GOING SWIMMING 不是 TO SWIM? 英语我将要去游泳,i'm going to swim还是i'm going to swimming I am going to go swimming tomorrow.swim为什么加ing i am going to swim 和i am going to go swimming有什么区别呢 We are____(swimming,going to swim)tomorrow. I went to swimming.swimming不是swim的ing形式吗?它在这个句子中做什么成分,为什么不用s swim team为什么不是swimming clud? swimming is my favorite.为什么不是swim I want to go swimming.为什么是swimming而不是swim?有同义句吗. “I'm going to swim now.”这样造句行吗? I'm going to swim in the r_.如何填空 I'm going to go swimming正确吗?