I can screw you can screw she can screw we can screw you can screw they can screw
Forma com 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
Perfeito
I can have screwed you can have screwed she can have screwed we can have screwed you can have screwed they can have screwed
Perfeito com 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
Negação
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 com 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
Perfeito
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
Perfeito com 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 com 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?
Perfeito
can I have screwed? can you have screwed? can she have screwed? can we have screwed? can you have screwed? can they have screwed?
Perfeito com 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-Negação
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 com 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?
Perfeito
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?
Perfeito com 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?