Present
| I | complain |
| You | complain |
| She | complains |
| We | complain |
| They | complain |
Past
| I | complained |
| You | complained |
| She | complained |
| We | complained |
| They | complained |
Perfect
| I | have | complained |
| You | have | complained |
| She | has | complained |
| We | have | complained |
| They | have | complained |
Future
| I | will | complain |
| You | will | complain |
| She | will | complain |
| We | will | complain |
| They | will | complain |
Past Perfect
| I | had | complained |
| You | had | complained |
| She | had | complained |
| We | had | complained |
| They | had | complained |
Future Perfect
| I | will | have | complained |
| You | will | have | complained |
| She | will | have | complained |
| We | will | have | complained |
| They | will | have | complained |
Present - Conditional
| I | would | complain |
| You | would | complain |
| She | would | complain |
| We | would | complain |
| They | would | complain |
Perfect - Conditional
| I | would | have | complained |
| You | would | have | complained |
| She | would | have | complained |
| We | would | have | complained |
| They | would | have | complained |