Conjugação do verbo inglês
CAN SIRE

Verbo regular: sire - sired - sired

Afirmação

Forma simple	Forma com V-ing
I can sire you can sire he can sire we can sire you can sire they can sire	I can be siring you can be siring he can be siring we can be siring you can be siring they can be siring
Perfeito	Perfeito com V-ing
I can have sired you can have sired he can have sired we can have sired you can have sired they can have sired	I can have been siring you can have been siring he can have been siring we can have been siring you can have been siring they can have been siring

Negação

Forma simple	Forma com V-ing
I cannot sire you cannot sire he cannot sire we cannot sire you cannot sire they cannot sire	I cannot be siring you cannot be siring he cannot be siring we cannot be siring you cannot be siring they cannot be siring
Perfeito	Perfeito com V-ing
I cannot have sired you cannot have sired he cannot have sired we cannot have sired you cannot have sired they cannot have sired	I cannot have been siring you cannot have been siring he cannot have been siring we cannot have been siring you cannot have been siring they cannot have been siring

Forma interrogativa

Forma simple	Forma com V-ing
can I sire? can you sire? can he sire? can we sire? can you sire? can they sire?	can I be siring? can you be siring? can he be siring? can we be siring? can you be siring? can they be siring?
Perfeito	Perfeito com V-ing
can I have sired? can you have sired? can he have sired? can we have sired? can you have sired? can they have sired?	can I have been siring? can you have been siring? can he have been siring? can we have been siring? can you have been siring? can they have been siring?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not sire? can you not sire? can he not sire? can we not sire? can you not sire? can they not sire?	can I not be siring? can you not be siring? can he not be siring? can we not be siring? can you not be siring? can they not be siring?
Perfeito	Perfeito com V-ing
can I not have sired? can you not have sired? can he not have sired? can we not have sired? can you not have sired? can they not have sired?	can I not have been siring? can you not have been siring? can he not have been siring? can we not have been siring? can you not have been siring? can they not have been siring?