It is used to tell about things which continue to happen over a long period of time.
Example
- Due to fog, trains have been running late.
- To prevent flu,she has been taking precautions
In this case,we use " have been " or " has been " with the verbs
Rules for Present Perfect Continuous
Fill with appropriate Present Perfect Continous Tense
I.........(go) to mall
View AnswerI have been going to mall
She........(date) him
View AnswerShe has been dating him
We..........go for walk together.
View AnswerWe have been going for walk together.
I..........(report) to her
View AnswerI have been reporting to her
Rohan.............(drink) too much
View AnswerRohan has been drinking too much
Comparison with Simple Present, Present Continuous, Present Perfect and Present Perfect Continous