I can screw you can screw she can screw we can screw you can screw they can screw
Forma con V-ing
I can be screwing you can be screwing she can be screwing we can be screwing you can be screwing they can be screwing
Perfecto
I can have screwed you can have screwed she can have screwed we can have screwed you can have screwed they can have screwed
Perfecto con V-ing
I can have been screwing you can have been screwing she can have been screwing we can have been screwing you can have been screwing they can have been screwing
Negación
Forma simple
I can't screw you can't screw she can't screw we can't screw you can't screw they can't screw
Forma con V-ing
I can't be screwing you can't be screwing she can't be screwing we can't be screwing you can't be screwing they can't be screwing
Perfecto
I can't have screwed you can't have screwed she can't have screwed we can't have screwed you can't have screwed they can't have screwed
Perfecto con V-ing
I can't have been screwing you can't have been screwing she can't have been screwing we can't have been screwing you can't have been screwing they can't have been screwing
Forma interrogativa
Forma simple
can I screw? can you screw? can she screw? can we screw? can you screw? can they screw?
Forma con V-ing
can I be screwing? can you be screwing? can she be screwing? can we be screwing? can you be screwing? can they be screwing?
Perfecto
can I have screwed? can you have screwed? can she have screwed? can we have screwed? can you have screwed? can they have screwed?
Perfecto con V-ing
can I have been screwing? can you have been screwing? can she have been screwing? can we have been screwing? can you have been screwing? can they have been screwing?
Forma interro-negativa
Forma simple
can't I screw? can't you screw? can't she screw? can't we screw? can't you screw? can't they screw?
Forma con V-ing
can't I be screwing? can't you be screwing? can't she be screwing? can't we be screwing? can't you be screwing? can't they be screwing?
Perfecto
can't I have screwed? can't you have screwed? can't she have screwed? can't we have screwed? can't you have screwed? can't they have screwed?
Perfecto con V-ing
can't I have been screwing? can't you have been screwing? can't she have been screwing? can't we have been screwing? can't you have been screwing? can't they have been screwing?