完成进行时

Havebeenpracticing是现在完成进行时，表过去到现在某一段时间一直进行的动作。

As we have been practicing regularly , we are sure of winning the game this time .

到今年冬天我就已任教三十年了。将来完成进行时的情态意义

I 'll have been teaching for thirty years this winter .

现在完成进行时中国有2000年的造纸历史。

The Chinese have been making paper for two thousand years .

现在完成进行时没有被动语态。

What has Mary been doing in the classroom ?

这里用现在完成进行时。

He has been waiting here for two hours .

用现在完成进行时比较能表达出“一直”的含义。

I have been keeping in touch with him .

现在完成进行时？

I have been being busy these days ?

现在完成进行时。自从一年前史密斯一家搬到郊区以来，他们一直享受更好的健康。

Ever since the Smiths moved to the suburbs a year ago , they better health .

这个问题是用现在完成进行时来提问的，所以回答时也用进行时态的这个动词。

The question is in the present perfect continuous so you will answer with the verb in the continuous .

到今年年底，我在这个工厂工作就有20年了。将来完成进行时连用的时间状语

I shall have been working here in this factory for twenty years by the end of the year .

你会发现对于一个母语使用者，他们在问候兄弟时很喜欢用现在完成进行时。

Youll notice thats its very common for a native speaker to use the present perfect continuous like this when greeting a buddy .

从两年前到现在持续的动作，我认为现在完成进行时更好。

For the last two years , he_ ( write ) a history of American Civil War . He_ ( complete ) the book by the end of June .

本文针对绘制雨量等值线的特点，指出了其他算法对等值线追踪完成后进行光滑时存在的缺点。

Source pump station This paper pointed out the shortcomings of other algorithms in the process of isoline smoothing after completing isoline tracking for the features of drawing rainfall isoline .

影响公路线形优劣的因素是多方面的，在路廊设计完成后进行要素设计时，就交通安全，行车心理，线形美学等几方面，进行了初步的分析。

Many factors influence the quality of highway alignment , elementary research is given in this paper about traffic security , traffic psychology and alignment esthetics , etc.

这就说明，中国现代性构想在其发生与发展过程中始终不是完成时而是现在进行时的，体现了百余年来中国社会文化现代发展的转型特色。

This shows that China 's modernity is not " perfect tense " but " present tense " presenting the transition of the development of the Chinese society and culture .

划出课文中所有一般过去时、现在完成时和现在完成进行时的动词。

Underline all the verbs in the passage which tell us what happened , what has happened , and what has been happening .