what+I+saw+there+surprised+me+very+much是什么句子结构？

你好朋友，主谓宾句型。主语从句作主语
what I saw there
谓语
surprised
宾语
me
状语修饰谓语
very much

常规主语从句，即句子在复合句中充当一个主语

主语从句的时态不受主句时态的影响和限制

（1）That he finished writing the composition in such a short time surprised us all.

他在如此短的时间内写完作文使我们十分惊讶。

（2）Whether we will go for an outing tomorrow remains unknown.

我们明天是否会去郊游仍旧未知。

（3）Who will be our monitor hasn't been decided yet.

现在还没有决定谁会成为我们的班长。

（4）Whom we must study for is a question of great importance.

“我们为谁而学习”是个很重要的问题。

（5）What caused the accident remains unknown.

事故的起因是未知的。

（6）Whatever you did is right.

你做的任何事都是正确的。

（7）Whom the watch belongs to is unknown.

手表的归属是未知的。

（8）What we need is time.

我们需要的是时间。

（9）What we need are good doctors.

我们需要的是好的医生。

主语是一个句子，即主语从句What I saw there；谓语是surprised；宾语是me；状语是very much。

是主谓宾结构:
主语是主语从句what I saw there
谓语动词是surprised
宾语是me
very much是状语，修饰surprised

主语从句作主语
what I saw there
谓语
surprised
宾语
me
状语修饰谓语
very much