英语中的过去完成时态用于描述过去某个时间点或动作之前已经完成的动作或状态。下面是过去完成时态的结构:
结构
- 主语 + had + 过去分词 + 其他
例如:
- He had already eaten breakfast when I arrived.(我到达时他已经吃过早餐了。)
- By the time they got to the party, the cake had been eaten.(他们到达派对时,蛋糕已经被吃了。)
注意事项
- 过去完成时态通常与过去时态连用,强调过去某个时间点之前已完成的动作或状态。
- 过去完成时态也可以与过去进行时连用,强调过去某个时间点之前正在进行的动作或状态。
例如:
- He had been studying English for 3 years before he moved to America.(他在搬到美国之前已经学习英语三年了。)
- By the time she arrived, he had been waiting for over an hour.(她到达时,他已经等了一个多小时了。)
以上就是英语过去完成时态的结构及注意事项,希望对大家学习英语有所帮助。