| 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 |
|