expected是expect（v. 期待，预料）的过去式，用法如下：

1. 后接不定式：expect to do sth.

如：I didnt expect to find you here. 我没料到在这里碰到你。

2. 后接不定式的复合结构：expect ***. to do sth.

如：He expected her to go with him. 他期望她同他一起去。