Present Perfect Continuous(現在完成進行式)

Present Perfect Continuous簡單來說就是發生在過去到現在持續的事件

以下是Present Perfect Continuous發生的時機
1. 從過去開始並持續到現在
   e.g. I have been watching TV for two hours.

2. 最近
   e.g. I have been watching TV lately.