Has/Have- use hota hai Perfect tense me
has been/have been - use hota hai perfect continious tense me
was- use hota hai past indefinite me
had- past pefect me
had been- past perfect continous
esse jyada mujhe bhi nahi aata.
waise enka use eske alava alag alag condition me bhi hota hai.......eske liye grammer padni padegi.
what is the difference between.. has / have been, was, had and had been 
aur agar ho sake to thoda hindi mein samjhana.. 