480
Present Perfect Continuous Tense
Method
Subject + has been/have been + verb(First Form) + ing + object
Example:
They have been talking for more than one hour.
Kate has been teaching at school since May.
Negative Sentences
Method
Subject + has not been/have not been + verb(First Form) + ing + object
Example:
They have not been talking for more than one hour.
Kate has not been teaching at school since May.
Interrogative Sentences
Method
Has/have + subject + been + verb(First Form) + ing + object
Example:
Have they been talking for more than one hour?
Has Kate been teaching at school since May?
