i'm so tired .i can't walk so fast 合并一为句

i'm so tired .i can't walk so fast 合并一为句
i'm so tired .i can't walk so fast 合并一为句

i'm so tired .i can't walk so fast 合并一为句
I'm so tired that I can't walk so fast.
I'm too tired to walk so fast.

I'm so tired so that i can't walk so fast.

i'm so tired that i can't walk fast