be surprised +动词的什么形式?

be surprised +动词的什么形式? be surprised 加动词什么形式. be surprised by后加动词什么形式 英语问题：be surprised at 后应加什么?如是动词,是动名词,还是不定式?请举个例子.好的有悬赏. 老师给了个关于 be surprised at 的例子：I am surprised at the news surprised不是过去式的词吗?怎么be动词还用am be surprised 后加什么? BE动词再加动词的过去分词最后加各种介词的意思 例如be surprised with（at） be surprised at 与 be surprised to 有什么区别 be surprised (介词)be surprised 后用什么介词be surprised ( ) sth be surprised by和be surprised at的区别 be surprised at与be surprised to的区别 be surprised to和be surprised at的区别? be surprised in 和 be surprised with的区别 be surprised at的汉语, be surprised at+sth.再说下be surprised to和be surprised at的区别？ be surprised at/be surprised with/be surprised in的区别be surprised at：对什么感到惊讶ex.and you'll be surprised at what you get done with the extra time.结果,课余时间能做这么多事会连你自己都吃惊呢.be surprised in 被 be surprised The writer's sister will be surprised.句中surprised是形容词 过去分词还是动词