Conjugación del verbo inglés
CAN PECK

Verbo regular: peck - pecked - pecked

Afirmación

Forma simple	Forma con V-ing
I can peck you can peck he can peck we can peck you can peck they can peck	I can be pecking you can be pecking he can be pecking we can be pecking you can be pecking they can be pecking
Perfecto	Perfecto con V-ing
I can have pecked you can have pecked he can have pecked we can have pecked you can have pecked they can have pecked	I can have been pecking you can have been pecking he can have been pecking we can have been pecking you can have been pecking they can have been pecking

Negación

Forma simple	Forma con V-ing
I cannot peck you cannot peck he cannot peck we cannot peck you cannot peck they cannot peck	I cannot be pecking you cannot be pecking he cannot be pecking we cannot be pecking you cannot be pecking they cannot be pecking
Perfecto	Perfecto con V-ing
I cannot have pecked you cannot have pecked he cannot have pecked we cannot have pecked you cannot have pecked they cannot have pecked	I cannot have been pecking you cannot have been pecking he cannot have been pecking we cannot have been pecking you cannot have been pecking they cannot have been pecking

Forma interrogativa

Forma simple	Forma con V-ing
can I peck? can you peck? can he peck? can we peck? can you peck? can they peck?	can I be pecking? can you be pecking? can he be pecking? can we be pecking? can you be pecking? can they be pecking?
Perfecto	Perfecto con V-ing
can I have pecked? can you have pecked? can he have pecked? can we have pecked? can you have pecked? can they have pecked?	can I have been pecking? can you have been pecking? can he have been pecking? can we have been pecking? can you have been pecking? can they have been pecking?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not peck? can you not peck? can he not peck? can we not peck? can you not peck? can they not peck?	can I not be pecking? can you not be pecking? can he not be pecking? can we not be pecking? can you not be pecking? can they not be pecking?
Perfecto	Perfecto con V-ing
can I not have pecked? can you not have pecked? can he not have pecked? can we not have pecked? can you not have pecked? can they not have pecked?	can I not have been pecking? can you not have been pecking? can he not have been pecking? can we not have been pecking? can you not have been pecking? can they not have been pecking?