Present Perfect Continues (Progressive):
It is used to show an action which starts in past and goes
into present. Also we use it to show recent past completed action.
Construction: subject + have/has + been + verb 1st
form + ing +object
- He is tired. He has been doing exercise for twenty minutes.
- Ahmed has been operating this computer since afternoon.
- They have been looking for you for fifteen minutes.
- She has not been talking to me for a month.
- Has she been teaching for three month?
- How long has she been teaching?
- You have been driving a car.
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