had是什么意思(详细介绍)
在英语中,“had”是动词“have”的过去式和过去分词形式。动词“have”是一个非常常用的英语助动词和实义动词,它有许多不同的用法和含义。以下是“had”作为“have”的过去形式在不同语境中的主要用法。
作为实义动词:
拥有:指拥有某物。
I had a car before, but I sold it.经历:指经历了某种事件或状况。
We had a great time at the party last night.She had difficulty understanding the instructions.
吃/喝:用于表示吃或喝。
They had lunch in a lovely restaurant.进行:用于表示进行某种活动。
He had a shower before going to bed.受到:表示遭受或经历(通常是不好的事情)。
I had an accident last year.作为助动词:
构成过去完成时:用来表示在过去某一点时间之前已经完成的动作或存在的状态。
She had finished her homework before she went out.By the time we arrived, the meeting had already started.
构成过去虚拟语气:用在条件句中表示与过去事实相反的情况。
If I had known, I would have helped.用在固定搭配中:比如 "had better" 表示建议。
You had better see a doctor immediately.注意点:
"Had" 也可以被连续使用,特别是在过去完成时的被动语态中,例如 "had had"。
She had had the letter for a week before she mailed it.当"have"作为助动词时,它帮助构成完成时态。当它作为实义动词时,则表达拥有、经历、食用等具体动作。
了解“had”的用法是理解过去时态和完整英语句型结构的一个重要部分。在口语和书面英语中,"had" 都非常常见,是英语基本语法的核心部分。
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hole是什么意思(详细介绍)
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