Conjugación del verbo inglés
CAN LETTER

Verbo regular: letter - lettered - lettered

Afirmación

Forma simple	Forma con V-ing
I can letter you can letter he can letter we can letter you can letter they can letter	I can be lettering you can be lettering he can be lettering we can be lettering you can be lettering they can be lettering
Perfecto	Perfecto con V-ing
I can have lettered you can have lettered he can have lettered we can have lettered you can have lettered they can have lettered	I can have been lettering you can have been lettering he can have been lettering we can have been lettering you can have been lettering they can have been lettering

Negación

Forma simple	Forma con V-ing
I can't letter you can't letter he can't letter we can't letter you can't letter they can't letter	I can't be lettering you can't be lettering he can't be lettering we can't be lettering you can't be lettering they can't be lettering
Perfecto	Perfecto con V-ing
I can't have lettered you can't have lettered he can't have lettered we can't have lettered you can't have lettered they can't have lettered	I can't have been lettering you can't have been lettering he can't have been lettering we can't have been lettering you can't have been lettering they can't have been lettering

Forma interrogativa

Forma simple	Forma con V-ing
can I letter? can you letter? can he letter? can we letter? can you letter? can they letter?	can I be lettering? can you be lettering? can he be lettering? can we be lettering? can you be lettering? can they be lettering?
Perfecto	Perfecto con V-ing
can I have lettered? can you have lettered? can he have lettered? can we have lettered? can you have lettered? can they have lettered?	can I have been lettering? can you have been lettering? can he have been lettering? can we have been lettering? can you have been lettering? can they have been lettering?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I letter? can't you letter? can't he letter? can't we letter? can't you letter? can't they letter?	can't I be lettering? can't you be lettering? can't he be lettering? can't we be lettering? can't you be lettering? can't they be lettering?
Perfecto	Perfecto con V-ing
can't I have lettered? can't you have lettered? can't he have lettered? can't we have lettered? can't you have lettered? can't they have lettered?	can't I have been lettering? can't you have been lettering? can't he have been lettering? can't we have been lettering? can't you have been lettering? can't they have been lettering?