i / we / they have been + 动词的如今分词 　　

he / she / it has been + 动词的如今分词 　　

如今结束进行的功用

1） 标明一个在曩昔初步而在迩来刚刚结束的行为，如： 　　

ann is very tired. she has been working hard. 　　

why are you clothes so dirty? what have you been doing? 　　

2) 标明一个从曩昔初步但仍在进行的行为，如： 　　

it has been raining for two hours. (

如今还鄙人) 　　

jack hasnt been feeling very well recently. 　　

3) 标明一个从曩昔初步连续到如今，可以包括如今在内的一个期间内，重复发生的行为，如： 　　

she has been playing tennis since she was eight. 　　

4) 如今结束时偏重动作行为的成果、影响，而如今结束进行时只偏重动作行为本身，如： 　　

toms hands are very dirty. he has been repairing the car. 　　

the car is going again now. tom has repaired it. 　　

留心： 　　

如今结束时有否定规划、而如今结束进行时没有否定规划。 　　

如今结束时态可标明做完的时期以及已有的经历、但如今结束进行时不可以以。 　　

如今结束进行时的否定规划 　　

在今世英语中，如今结束进行时有时也可用否定规划。如： 　　

since that unfortunate accident last week, i havent been sleeping at all well. 自从上星期发生了那次意外事端之后，我一向睡得很不好. 　　

he hasnt been working for me and i havent has that much contact with him. 他并没有给我作业过，我和他没有过那许多触摸。 　　

否定句构成： 　　

主语+has/have+not+been+如今分词 　　

一般疑问句构成: 　　

have/has+主语+been+如今分词+其他

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