Perfect continuous tense
Present perfect continuous tense Rule- S+has/have+been+V+ing+O She has been eating food. They have been going to school. Past perfect continuous tense Rule- S+had+been+V+ing+O They had been going to school. She has been eating some food. Future perfect continuous tense Rule- S+will/shall+have+been+V+ing+O He will have going to delhi. We will have dancing in the party.