Conjugação do verbo inglês
CAN FOREWARN

Verbo regular: forewarn - forewarned - forewarned

Afirmação

Forma simple	Forma com V-ing
I can forewarn you can forewarn he can forewarn we can forewarn you can forewarn they can forewarn	I can be forewarning you can be forewarning he can be forewarning we can be forewarning you can be forewarning they can be forewarning
Perfeito	Perfeito com V-ing
I can have forewarned you can have forewarned he can have forewarned we can have forewarned you can have forewarned they can have forewarned	I can have been forewarning you can have been forewarning he can have been forewarning we can have been forewarning you can have been forewarning they can have been forewarning

Negação

Forma simple	Forma com V-ing
I can't forewarn you can't forewarn he can't forewarn we can't forewarn you can't forewarn they can't forewarn	I can't be forewarning you can't be forewarning he can't be forewarning we can't be forewarning you can't be forewarning they can't be forewarning
Perfeito	Perfeito com V-ing
I can't have forewarned you can't have forewarned he can't have forewarned we can't have forewarned you can't have forewarned they can't have forewarned	I can't have been forewarning you can't have been forewarning he can't have been forewarning we can't have been forewarning you can't have been forewarning they can't have been forewarning

Forma interrogativa

Forma simple	Forma com V-ing
can I forewarn? can you forewarn? can he forewarn? can we forewarn? can you forewarn? can they forewarn?	can I be forewarning? can you be forewarning? can he be forewarning? can we be forewarning? can you be forewarning? can they be forewarning?
Perfeito	Perfeito com V-ing
can I have forewarned? can you have forewarned? can he have forewarned? can we have forewarned? can you have forewarned? can they have forewarned?	can I have been forewarning? can you have been forewarning? can he have been forewarning? can we have been forewarning? can you have been forewarning? can they have been forewarning?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I forewarn? can't you forewarn? can't he forewarn? can't we forewarn? can't you forewarn? can't they forewarn?	can't I be forewarning? can't you be forewarning? can't he be forewarning? can't we be forewarning? can't you be forewarning? can't they be forewarning?
Perfeito	Perfeito com V-ing
can't I have forewarned? can't you have forewarned? can't he have forewarned? can't we have forewarned? can't you have forewarned? can't they have forewarned?	can't I have been forewarning? can't you have been forewarning? can't he have been forewarning? can't we have been forewarning? can't you have been forewarning? can't they have been forewarning?