評論
打印
I have flown this dart as an example of present perfect
我用這個達特紙飛機作為現在完成時的例子
We aren't told exactly
我們沒有提及過它
when the dart was flown
具體是什么時候飛過大峽谷的
Just it have happened nine times
只是說了它飛過九次
Listen for this and other examples
再聽一遍無字幕的情景對話
As you watch the dialog again without subtitles
并尋找其它的例子
Now we'll learn about "for" "since " and "ago"
下面我們開始學習for since和ago
And the present perfect continuous
以及現在完成進行時
We use the present perfect continues tense
當某個行為延續時間較長或是重復性的
when an action is long or repeated
我們就要用現在完成進行式
Jim has been trying to pass his music exam for weeks
吉姆為了通過音樂考試努力了好幾個星期
When an action is a progress but not complete
當某個行為是一項尚未完成的成就
I've been doing my homework
我在做作業
For something that is happening now for a short time
或者說正在發生的短期事件
Anna has been reading in the library
安娜在圖書館里看書
When we ask a question
我們提問的時候
we move "has" or "have" to the beginning of the sentence
要把has或have移到句子開頭
Have you been doing your homework?
你做了作業嗎？
Has Anna been reading in the library?
安娜在圖書館里看書嗎？
We form the negative by using "haven't" or "hasn't"
通過使用haven't或hasn't來達成否定形式
I haven't been doing my homework
我沒有做我的作業
Anna hasn't been reading in the library
安娜沒有在圖書館里看書
Read the subtitles of our last dialog
下面朗讀我們最后的情景對話中的字幕
To find an example of how the present perfect continues is used
并找出現在完成進行時的使用范例
I've been making this for hours!
我畫這個好幾個小時了！
I've been working on mine since before you were even born
我在你出生之前就開始畫了
No you haven't. It was ages ago when I was born
你才沒有，離我出生都過了好幾年了
I've been making mine forever
我永遠都是在畫這個
No you haven't. You're only four years old
你才沒有，你才四歲而已
I've been making mine since creation
我從這玩意制造出來開始就在畫這個了
You just started on it five minutes ago!
你才剛畫了五分鐘而已！
There is something I want to give you
我有個東西想給你看
What is it?
是什么？
A crayon
蠟筆
I hope you were reading out loud
我希望你有在大聲朗讀
Did you see that has or have
你有注意到has和have
were moved to the beginning of the question?
被移到了句子開頭嗎？
Here is the present perfect continues in action again but without subtitles
再聽一遍無字幕的對話
To find an example of how the present perfect continues is used
看看現在完成進行時的行為
Well, that is all we have time for today
好了，今天 就講這么多了
If you like more information about the certificate
如果你對強化英語認證系列課程
and intense English language
有興趣了解更多的話
Call the team and the Southern Institute of technology
請致電制作團隊和南方理工學院
on 0800 SIT 2 LRN
0800 ST 2LRN
See you next week
下周見
This program has been brought to you by the Southern Institute of Technology
本課程由國立南方理工學院為您呈獻
itu.sit.ac.nz
網址為itu.sit.ac.nz
