That's you could speaking some words in English but you couldn't spelling them.有语法错误吗?或者是有其它的错误

That's you could speaking some words in English but you couldn't spelling them.有语法错误吗?
或者是有其它的错误

That's why you could speak some words in English but you couldn't spell them.
最大的错误是：动词后面一定要接动词的原形.切记!

could是情态动词，后面接动词原型。

有。That's you could speak some words in English but you couldn't spell them.