根据权威资料，"would rather do sth than do sth"句型可造句如下：

表达偏好选择

She would rather stay at home than go out to dinner.（她宁愿待在家里也不愿出去吃饭。）

体现价值取舍

He would rather die than betray his country.（他宁可死也不背叛祖国。）

描述行为倾向

I would rather read a book than watch TV.（我宁愿读书也不愿看电视。）

说明：

该句型用于比较两种行为或状态，强调"宁愿前者而非后者"的偏好。注意避免混淆"would rather have done"（表达对过去的遗憾）和"would rather sb had done"（虚拟语气结构）。