Notes of Active & Passive voice
| Present tense | Active | Passive |
| Indefinite | S+v1/v5+0bj | 0bj+is/am/are+v3+by+sub |
| Continuous | Is/ am/ are | Is/am/are+being |
| Present perfect | Has/ Have | Has /Have+been |
| Perfect continuous | Has/Have+been | Has/Have+been+ being |
| Past tense | Active | Passive |
| Indefinite | S+v2+0bj | 0+was/were+v3+by+sub |
| Continuous | Was /were | Was /were+being |
| Past perfect | Had | Had +been |
| Perfect continuous | Had /been | Had+been+being |
| Future tense | Active | Passive |
| Indefinite | Sub+shall/will+v1+obj | Obj+Shall/will+be+v3+by+
Sub |
| Continuous | Shall /will+be | Shall /will+be+being |
| Perfect | Shall /will+have | Shall /will+have+been |
| Perfect continuous | Shall /will+have+been | Shall / will+have+been+
being |