现在完成时 Present Perfect B1 · 中级

现在完成时用来表达过去发生但与现在有联系的动作，强调的是动作对现在的影响或结果。

一、构成规则

结构：have / has + 过去分词 (p.p.)

人称	肯定句	否定句	疑问句
I / You / We / They	I have finished	I haven't finished	Have you finished?
He / She / It	She has finished	She hasn't finished	Has she finished?

过去分词变化规则

情况	规则	例子
规则动词	与过去式相同（加 -ed）	worked, studied, stopped
不规则动词	需要逐个记忆	go → gone, see → seen, write → written

常见不规则过去分词

原形	过去式	过去分词	原形	过去式	过去分词
be	was/were	been	do	did	done
go	went	gone	see	saw	seen
take	took	taken	write	wrote	written
eat	ate	eaten	give	gave	given
speak	spoke	spoken	break	broke	broken

二、句子成分分析

🔍句子成分分析

I have lived in Beijing for ten years.

I主语 Subject

have lived谓语 Verb

in Beijing地点状语

for ten years时间状语

三、用法详解

1. 过去的动作对现在造成的影响

📝

I have lost my key. (So I can't open the door now.)

我把钥匙弄丢了。（所以现在我打不开门。）

💡强调丢钥匙这件事对现在的影响——门打不开

📝

She has gone to London. (She is not here now.)

她去伦敦了。（她现在不在这里。）

💡has gone to = 去了某地（人不在此处）

2. 从过去持续到现在的状态（搭配 for / since）

📝

I have lived in this city for five years.

我在这个城市住了五年了。

💡for + 一段时间，表示持续了多久

📝

She has worked here since 2019.

她从2019年起就在这里工作了。

💡since + 过去时间点，表示从那时起一直持续

3. 经历（搭配 ever / never / before）

📝

Have you ever been to Japan?

你去过日本吗？

💡have been to = 曾经去过（人已回来）

📝

I have never seen such a beautiful sunset.

我从未见过如此美丽的日落。

4. 到目前为止的重复动作（搭配 already / yet / just）

📝

I have already finished my homework.

我已经完成作业了。

💡already 用于肯定句，表示'已经'

📝

Have you eaten breakfast yet?

你吃早饭了吗？

💡yet 用于疑问句和否定句，表示'还、已经'

四、have been to vs have gone to

表达	含义	示例
have been to	曾经去过（已回来）	I have been to Paris twice.
have gone to	去了某地（人不在）	She has gone to Paris. (She's there now.)

五、现在完成时 vs 一般过去时

:::warning 重要区别

现在完成时	一般过去时
强调对现在的影响	强调过去的事实
不能与具体过去时间连用	可以与具体过去时间连用
I have lost my key. (现在找不到)	I lost my key yesterday. (只说过去的事)
:::

六、常见时间标志词

标志词	示例
already	I've already done it.
yet	Have you finished yet?
just	She has just arrived.
ever / never	Have you ever tried sushi?
for + 时间段	I've known him for years.
since + 时间点	She's lived here since 2020.
so far / up to now	So far, everything is fine.

七、实战练习

💡练习题

She _____ in this company since 2018.

💡练习题

— Where is Tom? — He _____ to the library.

💡练习题

I _____ never _____ (see) such a tall building before.

💡练习题

They _____ (live) in Shanghai for ten years.

💡练习题

「I have bought this book yesterday.」这句话语法正确。

八、小结

:::tip 记忆口诀 现在完成 have/has done； for 接时段 since 接点； already 肯定 yet 否问； gone 去没回 been 去过了； 过去影响到如今，不加具体过去时。 :::

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