Past perfect 过去完成时

When we talk about something that happened in the past we sometimes want to refer back to something that happened before that time. We can use the past perfect tense ( had + past participle ) to do this.

当我们谈论过去已经发生的某事，经常是指之前已经发生过的某事，我们可以用过去完成时态（had + 过去分词 ）来表示。

Look at these two sentences.

看一下这两句。

Both actions happened in the past so we use the past simple tense. But look at how we can combine the sentences.

这两个动作都发生在过去所以我们用了一半过去时态，但是，看看我们如何把两个句子结合在一起。

We use the past perfect (had left) because the action happened before another action in the past (Mary rang the doorbell.)

had left用过去完成时，是因为该动作在过去发生的另外一个动作Mary rang the doorbell.之前发生的。

Look at some more examples of the past perfect.

看看过去完成时的更多例子。

The past perfect is used because they were at school before he received the letter. It refers to an earlier past.

使用过去完成时是因为在收到信之前，他们在学校。这是更早的过去。

Look at these 2 sentences.

看下这两句。

In the first sentence, the past perfect tells us that James cooked breakfast before we got up. In the second sentence, first we got up and then James cooked breakfast.

在第一句，过去完成时告诉我们James在我们起床之前做的早餐。而第二句，首先是我们起床，然后才是James做早餐。

Past perfect continuous

过去完成进行时

The past perfect can also be used in the continuous.

过去完成时也可以用于进行时。

NOTE

备注

The most common mistake with the past perfect is to overuse it or to use it simply because we are talking about a time in the distant past.

最常见的过度使用过去完成时的错误，就是仅仅是用它形容遥远的过去的时间。

Remember that we only use the past perfect when we want to refer to a past that is earlier than another time in the narrative.

请记住，我们用过去完成时只是用它来特指一个早于叙述的过去某时间的时间。

Past perfect 过去完成时

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