"All I want to do is that...." 后的动词用什么形式？

All she wanted to do was lie in the sun.
楼主是这意思吗？

首先分析一下，句子主语是All she wanted to do
谓语为 was ，表语为应该为 to lie （in the sun：地点状语，修饰不定式to lie ）
be动词之后是不能接动词原形的，估计是印刷错误。