2015年商务英语基础语法时态:现在完成进行时
现在完成进行的形式
I / we / they have been + 动词的现在分词
He / she / it has been + 动词的现在分词
现在完成进行的功用
1) 表示一个在过去开始而在最近刚刚结束的行动,如:
Ann is very tired. She has been working hard.
Why are you clothes so dirty? What have you been doing?
2) 表示一个从过去开始但仍在进行的行动,如:
It has been raining for two hours. (现在还在下)
Jack hasn’t been feeling very well recently.
3) 表示一个从过去开始延续到现在,可以包括现在在内的一个阶段内,重复发生的行动,如:
She has been playing tennis since she was eight.
4) 现在完成时强调动作行为的结果、影响,而现在完成进行时只强调动作行为本身,如:
Tom’s hands are very dirty. He has been repairing the car.
The car is going again now. Tom has repaired it.
注意:
现在完成时有否定结构、而现在完成进行时没有否定结构。
现在完成时态可表示做完的时期以及已有的经验、但现在完成进行时不可以。
现在完成进行时的否定结构 www.examw.com
在当代英语中,现在完成进行时有时也可用否定结构。如:
Since that unfortunate accident last week, I haven’t been sleeping at all well. 自从上周发生了那次不幸事故之后,我一直睡得很不好.
He hasn’t been working for me and I haven’t has that much contact with him. 他并没有给我工作过,我和他没有过那许多接触。
否定句构成:
主语+has/have+not+been+现在分词
一般疑问句构成:
Have/has+主语+been+现在分词+其他
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