▲纠错：

首先要说明的是，你的句子有惯用法错误，其中的 go 应用动名词 going，因为该句式中的 to 是介词。又如：

What do you say to going to the theatre tonight?  今晚去看戏，你说好吗?

What do you say to eating out tonight?  今晚到外边吃饭，怎么样？

▲分析：

What do you say to go to the movies tonight? 结构分析

you——主语

say——谓语

what——宾语(作say的宾语）

to going to the movies——状语

What do you say to go to the movies tonight? 结构分析：

先改为下面句子：

What do you say to going to the movies tonight?

参考译文：今晚去看电影怎么样？

语法结构分析如下：

主语: you

谓语:say

宾语：what 

状语：to going to the movies

以上结构属于：what do you say to sth/doing sth 结构 相当于"how do you like sth/doing sth"   "what do you think of sth/doing sth 结构 是用来向对方提出某事/做某事的建议并让对方加以确认。

What do you say to going for a walk?  

去散步好 吗 ?

 What do you say to that picture?  

你觉得那幅画 怎么样 ?

What do you say to going to the theatre tonight?  

今晚去看戏,你说好 吗 ?

 What do you say to a three - year agency agreement?  

您说我们签个为期三年的代理协议 如何 ?

 What do you say to their suggestion, Mr Bowen?  

他们的建议怎么样, 伯恩先生?

 What do you say to going to a cinema tonight?  

今晚去看电影你意下如何?