干货帖 语法：完成时一点都不难，还很接地气
现在完成时，过去完成时，现在完成进行时，你...
昨天我们成人同学在上课的时候遇到了现在完成进行时，于是我给大家结合现在完成时进行讲解，后来Zoe同学又问了过去完成时。成人同学Zoe, Sophie讨论的热火朝天，非常可爱，扫过去看到其他几个同学有点儿小困惑，虽然在课堂我们弄懂了，相信还有很多同学对于这个时态比较懵懂，接下来就听我结合Grammar in use跟大家讲一讲现在完成时跟现在完成进行时。
现在完成时
公式： have/ has + 过去分词 （过去分词的结尾通常以+ed结尾，也有是不规则变化），通常跟just, already, yet连用。
Wendy同学问，怎么知道它是过去分词，这个需要你去背哦，我记得好像是初中书本后面的一张表，我给你准备好了，后台回复关键字过去分词就可以下载，然后着手开始背哟。
什么情况下用？
A. 现在完成时一般都跟now相关，动作发生在过去，结果在现在。
Where's your key? I don't know, I've lost it. (过去丢的钥匙，现在手上是没有钥匙的)
He told his name but I've forgotten it. (他过去告诉我他的名字，现在我是不记得他的名字)
B. 表示一段从过去发生延续到现在的时间，可以用现在完成时。
I‘ve read lots of books this year. (从过去到现在这段时间我读了很多的书)
I’ve met a lot of people in the last few days. ( 从过去到现在这个时间段我遇见过很多人)
C. It is the first time something has happened.
It‘s the fitst time he has driven a car. (从过去到现在这个时间段，这次是他第一次开车)
练习：
my father/ start/a new job My father has started a new job.
I/ give up/ smoking I've given up smoking.
ever/ ride/ horse Have you ever riden a horse
现在完成进行时
公式“ I / we/ you have been doing/waiting
he/she /it has been doing/ playing /ving
我们来看一个例子
Is it raining?
No. but the ground is wet. It has been raining. (表示雨刚停，之前是一直在下的)
什么情况下用？
A.一个动作或者一个活动最近停下来或者刚刚停下或者还在进行，与现在相关。
Paul is tired. he's been working very hard. (强调Paul一直在学习，所以现在很累，与现在相关)
Tim is still watching TV. He has been watching TV all day. (强调Tim从过去的某个时段到现在一直都在看电视，这个动作是进行的状态)
B. 还可以用在一个动作重复的发生。
Debbis is a very good tennis player, she has been playing sice she was eight. (这里现在完成进行时强调重复进行的动作）
练习：
- Johh looks sunburnt.You ask (you/sit in the sunHave you been sitting in the sun
- You have just arrived to meet a friend who is waiting for you. You ask:(you/ wait / long)Have you been waiting long
现在完成时& 现在完成进行时
Ann's clothes are covered in paint. She has been painting the ceiling, (现在完成进行时)
The ceiling was white.Now it is blue. She has painted the ceiling (现在完成时)
好，我们的讲解就到这里了，想听跟多的语法知识就请给我留言私信吧。有语法老师有不同的看法，欢迎跟我讨论！
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