we're going to spend three day in the weekend.这句话新概念里面说是我们打算

we're going to spend three day in the weekend.这句话新概念里面说是我们打算去乡下呆三天在周末.
we're going to spend three day in the weekend.这句话新概念里面说是我们打算去乡下呆三天在周末, 如果说是打算的话,那么就是一般将来时,而ING不是现在进行时么,还有going to 不是去哪的意思,后面不用应该接的是名词么,这里接的却是 SPEND THREE DAY 度过三天,有点不理解.
突然想起来 going to 是打算的意思，，，，脑瘫了，，，之前学的 没怎么复习