Question

I am to play football on the weekend语法对吗？

Answer 1

I am to play football on the weekend。这句话的意思呢，应该是我打算在周末踢足球。这应该是一个被勾引to结构，所以说正确的句子应该是
I am going to play football on the weekend。

Answer 2

不对
应该是

I'm going to play football on the weekend.
周末，我打算踢足球。