Conjugación del verbo inglés
CAN CLASS

Verbo regular: class - classed - classed

Afirmación

Forma simple	Forma con V-ing
I can class you can class he can class we can class you can class they can class	I can be classing you can be classing he can be classing we can be classing you can be classing they can be classing
Perfecto	Perfecto con V-ing
I can have classed you can have classed he can have classed we can have classed you can have classed they can have classed	I can have been classing you can have been classing he can have been classing we can have been classing you can have been classing they can have been classing

Negación

Forma simple	Forma con V-ing
I cannot class you cannot class he cannot class we cannot class you cannot class they cannot class	I cannot be classing you cannot be classing he cannot be classing we cannot be classing you cannot be classing they cannot be classing
Perfecto	Perfecto con V-ing
I cannot have classed you cannot have classed he cannot have classed we cannot have classed you cannot have classed they cannot have classed	I cannot have been classing you cannot have been classing he cannot have been classing we cannot have been classing you cannot have been classing they cannot have been classing

Forma interrogativa

Forma simple	Forma con V-ing
can I class? can you class? can he class? can we class? can you class? can they class?	can I be classing? can you be classing? can he be classing? can we be classing? can you be classing? can they be classing?
Perfecto	Perfecto con V-ing
can I have classed? can you have classed? can he have classed? can we have classed? can you have classed? can they have classed?	can I have been classing? can you have been classing? can he have been classing? can we have been classing? can you have been classing? can they have been classing?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not class? can you not class? can he not class? can we not class? can you not class? can they not class?	can I not be classing? can you not be classing? can he not be classing? can we not be classing? can you not be classing? can they not be classing?
Perfecto	Perfecto con V-ing
can I not have classed? can you not have classed? can he not have classed? can we not have classed? can you not have classed? can they not have classed?	can I not have been classing? can you not have been classing? can he not have been classing? can we not have been classing? can you not have been classing? can they not have been classing?