Present Perfect ContinuousTense (Simple sentences) 1 2 3 4 5 6 Subject Has- Singular Have-Plural/I been Verb+ing Since- Point of time/ For - period of time Objects Present Perfect Continuous Tense (negative sentences) Subject Has- Singular Have-Plural/I Not been Verb+ing Since/ for + Point of time/ period of time Present Perfect Continuous Tense (Interrogative sentences) Has- Singular Have-Plural/I Subject been Verb+ing Since/ for + Point of time/ period of time Objects Objects Present Perfect Continuous Tense (Interrogative and negative sentences) Has- Singular Have-Plural/I Subject not been Verb+ing Since/ for + Point of time/ period of time Objects