Answer» \xa0\tPresent continuousPresent simplepresent of be + active participlebase form/s-formI am reading you/we/they are reading he/she/it is readingI/you/we/they read he/she/it readsNegative\xa0I am not reading you/we/they are not reading he/she/it is not readingI/you/we they do not read he/she/it does not readQuestions\xa0am I reading? are you/we/they reading? is he/she it reading?do I/you/we/they read? does he/she/it read?\xa0\xa0\t\tPast ContinuousPresent Perfect ContinuousPast of be + active participlePresent of have + been + active participleI/he/she/it was flying you/we/they were flyingI/you/we/they have been waiting he/she/it has been waitingNegative\xa0I/he/she/it was not flying you/we/they were not flyingI/you/we/they have not been waiting he/she/it has not been waitingQuestions\xa0was I/he/she/it flying? were you/we/they flying?have I/you/we/they been waiting? has he/she/it been waiting?\xa0\xa0\t\tPresent PerfectPast simple:present of have + past participlePast formI/you/we/they have opened he/she/it has openedsomeone openedNegative\xa0I/you/we/they have not opened he/she/it has not openedsomeone did not openQuestions\xa0have I/you/we/they opened? has he/she/it opened?did someone open?\xa0\xa0\t\tPast PerfectPast Perfect Continuoushad + past participlehad been + active participlesomeone had invitedsomeone had been goingNegative\xa0someone had not invitedsomeone had not been goingQuestions\xa0had someone invited?had someone been going?\t
