| Simple present |
don't cost an arm |
don't cost an arm |
doesn't cost an arm |
don't cost an arm |
don't cost an arm |
don't cost an arm |
| Present continuous |
am not costing an arm |
are not costing an arm |
is not costing an arm |
are not costing an arm |
are not costing an arm |
are not costing an arm |
| Simple past |
didn't cost an arm |
didn't cost an arm |
didn't cost an arm |
didn't cost an arm |
didn't cost an arm |
didn't cost an arm |
| Simple past |
was not costing an arm |
were not costing an arm |
was not costing an arm |
were not costing an arm |
were not costing an arm |
were not costing an arm |
| Simple future |
won't cost an arm |
won't cost an arm |
won't cost an arm |
won't cost an arm |
won't cost an arm |
won't cost an arm |
| Future continuous |
will not be costing an arm |
will not be costing an arm |
will not be costing an arm |
will not be costing an arm |
will not be costing an arm |
will not be costing an arm |
| Present perfect |
have not cost an arm |
have not cost an arm |
has not cost an arm |
have not cost an arm |
have not cost an arm |
have not cost an arm |
| Present perfect continuous |
have not been costing an arm |
have not been costing an arm |
has not been costing an arm |
have not been costing an arm |
have not been costing an arm |
have not been costing an arm |
| Present continuous |
am not costing an arm |
are not costing an arm |
is not costing an arm |
are not costing an arm |
are not costing an arm |
are not costing an arm |
| Past perfect |
had not cost an arm |
had not cost an arm |
had not cost an arm |
had not cost an arm |
had not cost an arm |
had not cost an arm |
| Past perfect continuous |
had not been costing an arm |
had not been costing an arm |
had not been costing an arm |
had not been costing an arm |
had not been costing an arm |
had not been costing an arm |
| Future perfect |
will have not cost an arm |
will have not cost an arm |
will have not cost an arm |
will have not cost an arm |
will have not cost an arm |
will have not cost an arm |
| Future perfect continuous |
will have not been costing an arm |
will have not been costing an arm |
will have not been costing an arm |
will have not been costing an arm |
will have not been costing an arm |
will have not been costing an arm |