| Simple | Progressive | Perfect | Progressive |
| Present |
| I knock |
| you knock |
| he/she/it knocks |
| we knock |
| you all knock |
| they knock |
|
| I am knocking |
| you are knocking |
| he/she/it is knocking |
| we are knocking |
| you all are knocking |
| they are knocking |
|
| I have knocked |
| you have knocked |
| he/she/it has knocked |
| we have knocked |
| you all have knocked |
| they have knocked |
|
| I have been knocking |
| you have been knocking |
| he/she/it has been knocking |
| we have been knocking |
| you all have been knocking |
| they have been knocking |
|
| Past |
| I knocked |
| you knocked |
| he/she/it knocked |
| we knocked |
| you all knocked |
| they knocked |
|
| I was knocking |
| you were knocking |
| he/she/it was knocking |
| we were knocking |
| you all were knocking |
| they were knocking |
|
| I had knocked |
| you had knocked |
| he/she/it had knocked |
| we had knocked |
| you all had knocked |
| they had knocked |
|
| I had been knocking |
| you had been knocking |
| he/she/it had been knocking |
| we had been knocking |
| you all had been knocking |
| they had been knocking |
|
| Future |
| I will knock |
| you will knock |
| he/she/it will knock |
| we will knock |
| you all will knock |
| they will knock |
|
| I will be knocking |
| you will be knocking |
| he/she/it will be knocking |
| we are knocking |
| you all will be knocking |
| they will be knocking |
|
| I will have knocked |
| you will have knocked |
| he/she/it will have knocked |
| we will have knocked |
| you all will have knocked |
| they will have knocked |
|
| I will have been knocking |
| you will have been knocking |
| he/she/it will have been knocking |
| we will have been knocking |
| you all will have been knocking |
| they will have been knocking |
|
