Conjugación del verbo inglés
CAN HEAD

Verbo regular: head - headed - headed

Afirmación

Forma simple	Forma con V-ing
I can head you can head he can head we can head you can head they can head	I can be heading you can be heading he can be heading we can be heading you can be heading they can be heading
Perfecto	Perfecto con V-ing
I can have headed you can have headed he can have headed we can have headed you can have headed they can have headed	I can have been heading you can have been heading he can have been heading we can have been heading you can have been heading they can have been heading

Negación

Forma simple	Forma con V-ing
I can't head you can't head he can't head we can't head you can't head they can't head	I can't be heading you can't be heading he can't be heading we can't be heading you can't be heading they can't be heading
Perfecto	Perfecto con V-ing
I can't have headed you can't have headed he can't have headed we can't have headed you can't have headed they can't have headed	I can't have been heading you can't have been heading he can't have been heading we can't have been heading you can't have been heading they can't have been heading

Forma interrogativa

Forma simple	Forma con V-ing
can I head? can you head? can he head? can we head? can you head? can they head?	can I be heading? can you be heading? can he be heading? can we be heading? can you be heading? can they be heading?
Perfecto	Perfecto con V-ing
can I have headed? can you have headed? can he have headed? can we have headed? can you have headed? can they have headed?	can I have been heading? can you have been heading? can he have been heading? can we have been heading? can you have been heading? can they have been heading?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I head? can't you head? can't he head? can't we head? can't you head? can't they head?	can't I be heading? can't you be heading? can't he be heading? can't we be heading? can't you be heading? can't they be heading?
Perfecto	Perfecto con V-ing
can't I have headed? can't you have headed? can't he have headed? can't we have headed? can't you have headed? can't they have headed?	can't I have been heading? can't you have been heading? can't he have been heading? can't we have been heading? can't you have been heading? can't they have been heading?