Present Perfect Continuous

Present Perfect Continuous is used to express a continued or ongoing action that started in past and is continued until now.

+ Subject + have/has + been + verb with -ing + other parts of the sentence.

• I have been living in London for two years.
• Paul is very tired. He has been working very hard.
• He has been watching television all day.

- Subject + have/has +not + been + verb with -ing + other parts of the sentence.

• He has not been watering the plants for two hours.
• I have not been studying since 3 o’clock.

? Have/has + subject + been + verb with -ing + other parts of the sentence?

• How long has it been raining?
• Has he been watering the plants for two hours?