| Simple present |
don't go by air |
don't go by air |
doesn't go by air |
don't go by air |
don't go by air |
don't go by air |
| Present continuous |
am not going by air |
are not going by air |
is not going by air |
are not going by air |
are not going by air |
are not going by air |
| Simple past |
didn't go by air |
didn't go by air |
didn't go by air |
didn't go by air |
didn't go by air |
didn't go by air |
| Simple past |
was not going by air |
were not going by air |
was not going by air |
were not going by air |
were not going by air |
were not going by air |
| Simple future |
won't go by air |
won't go by air |
won't go by air |
won't go by air |
won't go by air |
won't go by air |
| Future continuous |
will not be going by air |
will not be going by air |
will not be going by air |
will not be going by air |
will not be going by air |
will not be going by air |
| Present perfect |
have not gone by air |
have not gone by air |
has not gone by air |
have not gone by air |
have not gone by air |
have not gone by air |
| Present perfect continuous |
have not been going by air |
have not been going by air |
has not been going by air |
have not been going by air |
have not been going by air |
have not been going by air |
| Present continuous |
am not going by air |
are not going by air |
is not going by air |
are not going by air |
are not going by air |
are not going by air |
| Past perfect |
had not gone by air |
had not gone by air |
had not gone by air |
had not gone by air |
had not gone by air |
had not gone by air |
| Past perfect continuous |
had not been going by air |
had not been going by air |
had not been going by air |
had not been going by air |
had not been going by air |
had not been going by air |
| Future perfect |
will have not gone by air |
will have not gone by air |
will have not gone by air |
will have not gone by air |
will have not gone by air |
will have not gone by air |
| Future perfect continuous |
will have not been going by air |
will have not been going by air |
will have not been going by air |
will have not been going by air |
will have not been going by air |
will have not been going by air |