Present
| I | knock |
| You | knock |
| She | knocks |
| We | knock |
| They | knock |
Past
| I | knocked |
| You | knocked |
| She | knocked |
| We | knocked |
| They | knocked |
Perfect
| I | have | knocked |
| You | have | knocked |
| She | has | knocked |
| We | have | knocked |
| They | have | knocked |
Future
| I | will | knock |
| You | will | knock |
| She | will | knock |
| We | will | knock |
| They | will | knock |
Past Perfect
| I | had | knocked |
| You | had | knocked |
| She | had | knocked |
| We | had | knocked |
| They | had | knocked |
Future Perfect
| I | will | have | knocked |
| You | will | have | knocked |
| She | will | have | knocked |
| We | will | have | knocked |
| They | will | have | knocked |
Present - Conditional
| I | would | knock |
| You | would | knock |
| She | would | knock |
| We | would | knock |
| They | would | knock |
Perfect - Conditional
| I | would | have | knocked |
| You | would | have | knocked |
| She | would | have | knocked |
| We | would | have | knocked |
| They | would | have | knocked |