Was加ed和ed有哪些区别

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was 加 动词-ed 有两种句子形态：被动语态和系表结构。

这类句子谓语中的动词 -ed 形式称作“过去分词”。例：He was criticized by his teacher yesterday.（被动语态）He was fired yesterday.（系表结构）区别方式：被动语态表述的是行为；系表结构（联系动词+表语）表述的是状态。动词 -ed 形式是谓语动词的“过去时”，用来表述过去发生的事情。例：He worked until 8:00 pm yesterday.

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大工程小造价

was 加 动词-ed 有两种句子形态：被动语态和系表结构。这类句子谓语中的动词 -ed 形式称作“过去分词”。例：He was criticized by his teacher yesterday.（被动语态）He was fired yesterday.（系表结构）区别方式：被动语态表述的是行为；系表结构（联系动词+表语）表述的是状态。动词 -ed 形式是谓语动词的“过去时”，用来表述过去发生的事情。例：He worked until 8:00 pm yesterday.