一般过去时的被动语态的构成是 be动词的过去式(was或were)加上动词的过去分词。例如:
1. The letter was written yesterday.
2. A new shop was built last year.
3. This desk was made by my father.
在这个结构中,“was”或“were”根据主语的人称和数(单数或复数)来选择,而动词的过去分词则表示动作的完成。这种语态用于描述在过去某个时间点发生的被动动作或过去经常性、习惯性的被动动作。
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