| Simple present |
don't practise economy |
don't practise economy |
doesn't practise economy |
don't practise economy |
don't practise economy |
don't practise economy |
| Present continuous |
am not practising economy |
are not practising economy |
is not practising economy |
are not practising economy |
are not practising economy |
are not practising economy |
| Simple past |
didn't practise economy |
didn't practise economy |
didn't practise economy |
didn't practise economy |
didn't practise economy |
didn't practise economy |
| Past continuous |
was not practising economy |
were not practising economy |
was not practising economy |
were not practising economy |
were not practising economy |
were not practising economy |
| Simple future |
won't practise economy |
won't practise economy |
won't practise economy |
won't practise economy |
won't practise economy |
won't practise economy |
| Future continuous |
will not be practising economy |
will not be practising economy |
will not be practising economy |
will not be practising economy |
will not be practising economy |
will not be practising economy |
| Present perfect |
have not practised economy |
have not practised economy |
has not practised economy |
have not practised economy |
have not practised economy |
have not practised economy |
| Present perfect continuous |
have not been practising economy |
have not been practising economy |
has not been practising economy |
have not been practising economy |
have not been practising economy |
have not been practising economy |
| Past perfect |
had not practised economy |
had not practised economy |
had not practised economy |
had not practised economy |
had not practised economy |
had not practised economy |
| Past perfect continuous |
had not been practising economy |
had not been practising economy |
had not been practising economy |
had not been practising economy |
had not been practising economy |
had not been practising economy |
| Future perfect |
will not have practised economy |
will not have practised economy |
will not have practised economy |
will not have practised economy |
will not have practised economy |
will not have practised economy |
| Future perfect continuous |
will not have been practising economy |
will not have been practising economy |
will not have been practising economy |
will not have been practising economy |
will not have been practising economy |
will not have been practising economy |