Conjugação do verbo inglês
CAN MODIFY

Verbo regular: modify - modified - modified

Afirmação

Forma simple	Forma com V-ing
I can modify you can modify he can modify we can modify you can modify they can modify	I can be modifying you can be modifying he can be modifying we can be modifying you can be modifying they can be modifying
Perfeito	Perfeito com V-ing
I can have modified you can have modified he can have modified we can have modified you can have modified they can have modified	I can have been modifying you can have been modifying he can have been modifying we can have been modifying you can have been modifying they can have been modifying

Negação

Forma simple	Forma com V-ing
I can't modify you can't modify he can't modify we can't modify you can't modify they can't modify	I can't be modifying you can't be modifying he can't be modifying we can't be modifying you can't be modifying they can't be modifying
Perfeito	Perfeito com V-ing
I can't have modified you can't have modified he can't have modified we can't have modified you can't have modified they can't have modified	I can't have been modifying you can't have been modifying he can't have been modifying we can't have been modifying you can't have been modifying they can't have been modifying

Forma interrogativa

Forma simple	Forma com V-ing
can I modify? can you modify? can he modify? can we modify? can you modify? can they modify?	can I be modifying? can you be modifying? can he be modifying? can we be modifying? can you be modifying? can they be modifying?
Perfeito	Perfeito com V-ing
can I have modified? can you have modified? can he have modified? can we have modified? can you have modified? can they have modified?	can I have been modifying? can you have been modifying? can he have been modifying? can we have been modifying? can you have been modifying? can they have been modifying?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I modify? can't you modify? can't he modify? can't we modify? can't you modify? can't they modify?	can't I be modifying? can't you be modifying? can't he be modifying? can't we be modifying? can't you be modifying? can't they be modifying?
Perfeito	Perfeito com V-ing
can't I have modified? can't you have modified? can't he have modified? can't we have modified? can't you have modified? can't they have modified?	can't I have been modifying? can't you have been modifying? can't he have been modifying? can't we have been modifying? can't you have been modifying? can't they have been modifying?