Line up from shorter to taller和You look don't well today的问题

第一句没有问题
Line up from shorter to taller. Line up from taller to shorter. Let’s do: Shorter, shorter, shorter, make myself shorter. Taller, taller, taller, make myself taller.

第二句不对
You don't look well today. look是well的系动词，要在一起的。