Conjugación del verbo inglés
CAN ERR

Verbo regular: err - erred - erred

Afirmación

Forma simple	Forma con V-ing
I can err you can err she can err we can err you can err they can err	I can be erring you can be erring she can be erring we can be erring you can be erring they can be erring
Perfecto	Perfecto con V-ing
I can have erred you can have erred she can have erred we can have erred you can have erred they can have erred	I can have been erring you can have been erring she can have been erring we can have been erring you can have been erring they can have been erring

Negación

Forma simple	Forma con V-ing
I can't err you can't err she can't err we can't err you can't err they can't err	I can't be erring you can't be erring she can't be erring we can't be erring you can't be erring they can't be erring
Perfecto	Perfecto con V-ing
I can't have erred you can't have erred she can't have erred we can't have erred you can't have erred they can't have erred	I can't have been erring you can't have been erring she can't have been erring we can't have been erring you can't have been erring they can't have been erring

Forma interrogativa

Forma simple	Forma con V-ing
can I err? can you err? can she err? can we err? can you err? can they err?	can I be erring? can you be erring? can she be erring? can we be erring? can you be erring? can they be erring?
Perfecto	Perfecto con V-ing
can I have erred? can you have erred? can she have erred? can we have erred? can you have erred? can they have erred?	can I have been erring? can you have been erring? can she have been erring? can we have been erring? can you have been erring? can they have been erring?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I err? can't you err? can't she err? can't we err? can't you err? can't they err?	can't I be erring? can't you be erring? can't she be erring? can't we be erring? can't you be erring? can't they be erring?
Perfecto	Perfecto con V-ing
can't I have erred? can't you have erred? can't she have erred? can't we have erred? can't you have erred? can't they have erred?	can't I have been erring? can't you have been erring? can't she have been erring? can't we have been erring? can't you have been erring? can't they have been erring?