l was surprised to see so many tigers in the zoo

Question

l was surprised to see so many tigers in the zoosurprise为什么加d

Answer 1

因为是“被这么多老虎惊讶到了”，was surprised构成过去时的被动语态，be + -ed 是被动语态的用法

Answer 2

surprised 指主语 I 感到"惊讶" , 用surprised 这个形容词

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Answer 3

什么加d？ surprise加d？ 因为那是过去式

Answer 4

be surprised to do sth是固定搭配

Answer 5

-ed修饰人