| Simple present |
don't knock about |
don't knock about |
doesn't knock about |
don't knock about |
don't knock about |
don't knock about |
| Present continuous |
am not knocking about |
are not knocking about |
is not knocking about |
are not knocking about |
are not knocking about |
are not knocking about |
| Simple past |
didn't knock about |
didn't knock about |
didn't knock about |
didn't knock about |
didn't knock about |
didn't knock about |
| Past continuous |
was not knocking about |
were not knocking about |
was not knocking about |
were not knocking about |
were not knocking about |
were not knocking about |
| Simple future |
won't knock about |
won't knock about |
won't knock about |
won't knock about |
won't knock about |
won't knock about |
| Future continuous |
will not be knocking about |
will not be knocking about |
will not be knocking about |
will not be knocking about |
will not be knocking about |
will not be knocking about |
| Present perfect |
have not knocked about |
have not knocked about |
has not knocked about |
have not knocked about |
have not knocked about |
have not knocked about |
| Present perfect continuous |
have not been knocking about |
have not been knocking about |
has not been knocking about |
have not been knocking about |
have not been knocking about |
have not been knocking about |
| Past perfect |
had not knocked about |
had not knocked about |
had not knocked about |
had not knocked about |
had not knocked about |
had not knocked about |
| Past perfect continuous |
had not been knocking about |
had not been knocking about |
had not been knocking about |
had not been knocking about |
had not been knocking about |
had not been knocking about |
| Future perfect |
will not have knocked about |
will not have knocked about |
will not have knocked about |
will not have knocked about |
will not have knocked about |
will not have knocked about |
| Future perfect continuous |
will not have been knocking about |
will not have been knocking about |
will not have been knocking about |
will not have been knocking about |
will not have been knocking about |
will not have been knocking about |