Conjugación del verbo inglés
CAN FOIL

Verbo regular: foil - foiled - foiled

Afirmación

Forma simple	Forma con V-ing
I can foil you can foil he can foil we can foil you can foil they can foil	I can be foiling you can be foiling he can be foiling we can be foiling you can be foiling they can be foiling
Perfecto	Perfecto con V-ing
I can have foiled you can have foiled he can have foiled we can have foiled you can have foiled they can have foiled	I can have been foiling you can have been foiling he can have been foiling we can have been foiling you can have been foiling they can have been foiling

Negación

Forma simple	Forma con V-ing
I cannot foil you cannot foil he cannot foil we cannot foil you cannot foil they cannot foil	I cannot be foiling you cannot be foiling he cannot be foiling we cannot be foiling you cannot be foiling they cannot be foiling
Perfecto	Perfecto con V-ing
I cannot have foiled you cannot have foiled he cannot have foiled we cannot have foiled you cannot have foiled they cannot have foiled	I cannot have been foiling you cannot have been foiling he cannot have been foiling we cannot have been foiling you cannot have been foiling they cannot have been foiling

Forma interrogativa

Forma simple	Forma con V-ing
can I foil? can you foil? can he foil? can we foil? can you foil? can they foil?	can I be foiling? can you be foiling? can he be foiling? can we be foiling? can you be foiling? can they be foiling?
Perfecto	Perfecto con V-ing
can I have foiled? can you have foiled? can he have foiled? can we have foiled? can you have foiled? can they have foiled?	can I have been foiling? can you have been foiling? can he have been foiling? can we have been foiling? can you have been foiling? can they have been foiling?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not foil? can you not foil? can he not foil? can we not foil? can you not foil? can they not foil?	can I not be foiling? can you not be foiling? can he not be foiling? can we not be foiling? can you not be foiling? can they not be foiling?
Perfecto	Perfecto con V-ing
can I not have foiled? can you not have foiled? can he not have foiled? can we not have foiled? can you not have foiled? can they not have foiled?	can I not have been foiling? can you not have been foiling? can he not have been foiling? can we not have been foiling? can you not have been foiling? can they not have been foiling?