| Past Perfect Continuous Tense shows that the running action happened at the past moment. | Future Perfect Continuous Tense shows that the running action will happen at the future moment. |
| In Past Perfect Continuous Tense, we can get the final result. | In Future Perfect Continuous Tense, we can not get the final result. |
| There is no scope to make proper plan for the action in Past Perfect continuous tense. | There is chance to make proper plan for the action in Future Perfect continuous tense. |
| There is chance to make proper plan for the action in Future Perfect continuous tense. | Shall/Will have been and present progressive verb use in Future Perfect continuous tense. |
| Example: He had been reading different kinds of books since morning. We had been walking there for two hours. | Example: a) I will have been reading for five hours. b) They will have been flying to Turkey for four hours. |
