don't I muscle? don't you muscle? doesn't he muscle? don't we muscle? don't you muscle? don't they muscle?
Presente continuo
am I not muscling? aren't you muscling? isn't he muscling? aren't we muscling? aren't you muscling? aren't they muscling?
Pretérito
didn't I muscle? didn't you muscle? didn't he muscle? didn't we muscle? didn't you muscle? didn't they muscle?
Pretérito continuo
wasn't I muscling? weren't you muscling? wasn't he muscling? weren't we muscling? weren't you muscling? weren't they muscling?
Presente perfecto
haven't I muscled? haven't you muscled? hasn't he muscled? haven't we muscled? haven't you muscled? haven't they muscled?
Presente perfecto continuo
haven't I been muscling? haven't you been muscling? hasn't he been muscling? haven't we been muscling? haven't you been muscling? haven't they been muscling?
Pluscuamperfecto
hadn't I muscled? hadn't you muscled? hadn't he muscled? hadn't we muscled? hadn't you muscled? hadn't they muscled?
Pluscuamperfecto continuo
hadn't I been muscling? hadn't you been muscling? hadn't he been muscling? hadn't we been muscling? hadn't you been muscling? hadn't they been muscling?
Futuro simple
won't I muscle? won't you muscle? won't he muscle? won't we muscle? won't you muscle? won't they muscle?
Futuro continuo
won't I be muscling? won't you be muscling? won't he be muscling? won't we be muscling? won't you be muscling? won't they be muscling?
Futuro perfecto
won't I have muscled? won't you have muscled? won't he have muscled? won't we have muscled? won't you have muscled? won't they have muscled?
Futuro perfecto contínuo
won't I have been muscling? won't you have been muscling? won't he have been muscling? won't we have been muscling? won't you have been muscling? won't they have been muscling?
Condicional
Presente
wouldn't I muscle? wouldn't you muscle? wouldn't he muscle? wouldn't we muscle? wouldn't you muscle? wouldn't they muscle?
Presente continuo
wouldn't I be muscling? wouldn't you be muscling? wouldn't he be muscling? wouldn't we be muscling? wouldn't you be muscling? wouldn't they be muscling?
Passado
wouldn't I have muscled? wouldn't you have muscled? wouldn't he have muscled? wouldn't we have muscled? wouldn't you have muscled? wouldn't they have muscled?
Passado continuo
wouldn't I have been muscling? wouldn't you have been muscling? wouldn't he have been muscling? wouldn't we have been muscling? wouldn't you have been muscling? wouldn't they have been muscling?