The Polar bear can swims across the lake. 哪里错了
问题描述：
The Polar bear can swims across the lake. 哪里错了
答
can是情态动词,swims是动词swim的单数第三人称.情态动词之后应该接动词原型,所以正确的句子应该是The Polar bear can swim across the lake.