Conjugação do verbo inglês
CAN SCREW

Verbo regular: screw - screwed - screwed

Afirmação

Forma simple	Forma com V-ing
I can screw you can screw she can screw we can screw you can screw they can screw	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	Perfeito com V-ing
I can have screwed you can have screwed she can have screwed we can have screwed you can have screwed they can have screwed	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	Forma com V-ing
I cannot screw you cannot screw she cannot screw we cannot screw you cannot screw they cannot screw	I cannot be screwing you cannot be screwing she cannot be screwing we cannot be screwing you cannot be screwing they cannot be screwing
Perfeito	Perfeito com V-ing
I cannot have screwed you cannot have screwed she cannot have screwed we cannot have screwed you cannot have screwed they cannot have screwed	I cannot have been screwing you cannot have been screwing she cannot have been screwing we cannot have been screwing you cannot have been screwing they cannot have been screwing

Forma interrogativa

Forma simple	Forma com V-ing
can I screw? can you screw? can she screw? can we screw? can you screw? can they screw?	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	Perfeito com V-ing
can I have screwed? can you have screwed? can she have screwed? can we have screwed? can you have screwed? can they have screwed?	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	Forma com V-ing
can I not screw? can you not screw? can she not screw? can we not screw? can you not screw? can they not screw?	can I not be screwing? can you not be screwing? can she not be screwing? can we not be screwing? can you not be screwing? can they not be screwing?
Perfeito	Perfeito com V-ing
can I not have screwed? can you not have screwed? can she not have screwed? can we not have screwed? can you not have screwed? can they not have screwed?	can I not have been screwing? can you not have been screwing? can she not have been screwing? can we not have been screwing? can you not have been screwing? can they not have been screwing?