Conjugación del verbo inglés
CAN PREOBTAIN

Verbo regular: preobtain - preobtained - preobtained

Afirmación

Forma simple	Forma con V-ing
I can preobtain you can preobtain he can preobtain we can preobtain you can preobtain they can preobtain	I can be preobtaining you can be preobtaining he can be preobtaining we can be preobtaining you can be preobtaining they can be preobtaining
Perfecto	Perfecto con V-ing
I can have preobtained you can have preobtained he can have preobtained we can have preobtained you can have preobtained they can have preobtained	I can have been preobtaining you can have been preobtaining he can have been preobtaining we can have been preobtaining you can have been preobtaining they can have been preobtaining

Negación

Forma simple	Forma con V-ing
I can't preobtain you can't preobtain he can't preobtain we can't preobtain you can't preobtain they can't preobtain	I can't be preobtaining you can't be preobtaining he can't be preobtaining we can't be preobtaining you can't be preobtaining they can't be preobtaining
Perfecto	Perfecto con V-ing
I can't have preobtained you can't have preobtained he can't have preobtained we can't have preobtained you can't have preobtained they can't have preobtained	I can't have been preobtaining you can't have been preobtaining he can't have been preobtaining we can't have been preobtaining you can't have been preobtaining they can't have been preobtaining

Forma interrogativa

Forma simple	Forma con V-ing
can I preobtain? can you preobtain? can he preobtain? can we preobtain? can you preobtain? can they preobtain?	can I be preobtaining? can you be preobtaining? can he be preobtaining? can we be preobtaining? can you be preobtaining? can they be preobtaining?
Perfecto	Perfecto con V-ing
can I have preobtained? can you have preobtained? can he have preobtained? can we have preobtained? can you have preobtained? can they have preobtained?	can I have been preobtaining? can you have been preobtaining? can he have been preobtaining? can we have been preobtaining? can you have been preobtaining? can they have been preobtaining?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I preobtain? can't you preobtain? can't he preobtain? can't we preobtain? can't you preobtain? can't they preobtain?	can't I be preobtaining? can't you be preobtaining? can't he be preobtaining? can't we be preobtaining? can't you be preobtaining? can't they be preobtaining?
Perfecto	Perfecto con V-ing
can't I have preobtained? can't you have preobtained? can't he have preobtained? can't we have preobtained? can't you have preobtained? can't they have preobtained?	can't I have been preobtaining? can't you have been preobtaining? can't he have been preobtaining? can't we have been preobtaining? can't you have been preobtaining? can't they have been preobtaining?