I can tow you can tow she can tow we can tow you can tow they can tow
Forma con V-ing
I can be towing you can be towing she can be towing we can be towing you can be towing they can be towing
Perfecto
I can have towed you can have towed she can have towed we can have towed you can have towed they can have towed
Perfecto con V-ing
I can have been towing you can have been towing she can have been towing we can have been towing you can have been towing they can have been towing
Negación
Forma simple
I can't tow you can't tow she can't tow we can't tow you can't tow they can't tow
Forma con V-ing
I can't be towing you can't be towing she can't be towing we can't be towing you can't be towing they can't be towing
Perfecto
I can't have towed you can't have towed she can't have towed we can't have towed you can't have towed they can't have towed
Perfecto con V-ing
I can't have been towing you can't have been towing she can't have been towing we can't have been towing you can't have been towing they can't have been towing
Forma interrogativa
Forma simple
can I tow? can you tow? can she tow? can we tow? can you tow? can they tow?
Forma con V-ing
can I be towing? can you be towing? can she be towing? can we be towing? can you be towing? can they be towing?
Perfecto
can I have towed? can you have towed? can she have towed? can we have towed? can you have towed? can they have towed?
Perfecto con V-ing
can I have been towing? can you have been towing? can she have been towing? can we have been towing? can you have been towing? can they have been towing?
Forma interro-negativa
Forma simple
can't I tow? can't you tow? can't she tow? can't we tow? can't you tow? can't they tow?
Forma con V-ing
can't I be towing? can't you be towing? can't she be towing? can't we be towing? can't you be towing? can't they be towing?
Perfecto
can't I have towed? can't you have towed? can't she have towed? can't we have towed? can't you have towed? can't they have towed?
Perfecto con V-ing
can't I have been towing? can't you have been towing? can't she have been towing? can't we have been towing? can't you have been towing? can't they have been towing?