I can stamp you can stamp he can stamp we can stamp you can stamp they can stamp
Forma con V-ing
I can be stamping you can be stamping he can be stamping we can be stamping you can be stamping they can be stamping
Perfecto
I can have stamped you can have stamped he can have stamped we can have stamped you can have stamped they can have stamped
Perfecto con V-ing
I can have been stamping you can have been stamping he can have been stamping we can have been stamping you can have been stamping they can have been stamping
Negación
Forma simple
I can't stamp you can't stamp he can't stamp we can't stamp you can't stamp they can't stamp
Forma con V-ing
I can't be stamping you can't be stamping he can't be stamping we can't be stamping you can't be stamping they can't be stamping
Perfecto
I can't have stamped you can't have stamped he can't have stamped we can't have stamped you can't have stamped they can't have stamped
Perfecto con V-ing
I can't have been stamping you can't have been stamping he can't have been stamping we can't have been stamping you can't have been stamping they can't have been stamping
Forma interrogativa
Forma simple
can I stamp? can you stamp? can he stamp? can we stamp? can you stamp? can they stamp?
Forma con V-ing
can I be stamping? can you be stamping? can he be stamping? can we be stamping? can you be stamping? can they be stamping?
Perfecto
can I have stamped? can you have stamped? can he have stamped? can we have stamped? can you have stamped? can they have stamped?
Perfecto con V-ing
can I have been stamping? can you have been stamping? can he have been stamping? can we have been stamping? can you have been stamping? can they have been stamping?
Forma interro-negativa
Forma simple
can't I stamp? can't you stamp? can't he stamp? can't we stamp? can't you stamp? can't they stamp?
Forma con V-ing
can't I be stamping? can't you be stamping? can't he be stamping? can't we be stamping? can't you be stamping? can't they be stamping?
Perfecto
can't I have stamped? can't you have stamped? can't he have stamped? can't we have stamped? can't you have stamped? can't they have stamped?
Perfecto con V-ing
can't I have been stamping? can't you have been stamping? can't he have been stamping? can't we have been stamping? can't you have been stamping? can't they have been stamping?