Formula, Structure, and Rules of Present Perfect Continuous Tenses-Negative Sentences

Formula, Structure, and Rules of Present Perfect Continuous Tenses-Negative Sentences

Formula:

Subject + (Have not been / Has not been) + Present Participle (verb + ing) + Time-reference

 Example:

1. You have not been working in Manchester since 2010

2. They have not been living in Pakistan since Monday

3. We have not been working me since Morning

4. You have not been playing for since 2005.

5.  You have not been prepare for exam since 3 weeks.