I can etch you can etch he can etch we can etch you can etch they can etch
Forma con V-ing
I can be etching you can be etching he can be etching we can be etching you can be etching they can be etching
Perfecto
I can have etched you can have etched he can have etched we can have etched you can have etched they can have etched
Perfecto con V-ing
I can have been etching you can have been etching he can have been etching we can have been etching you can have been etching they can have been etching
Negación
Forma simple
I can't etch you can't etch he can't etch we can't etch you can't etch they can't etch
Forma con V-ing
I can't be etching you can't be etching he can't be etching we can't be etching you can't be etching they can't be etching
Perfecto
I can't have etched you can't have etched he can't have etched we can't have etched you can't have etched they can't have etched
Perfecto con V-ing
I can't have been etching you can't have been etching he can't have been etching we can't have been etching you can't have been etching they can't have been etching
Forma interrogativa
Forma simple
can I etch? can you etch? can he etch? can we etch? can you etch? can they etch?
Forma con V-ing
can I be etching? can you be etching? can he be etching? can we be etching? can you be etching? can they be etching?
Perfecto
can I have etched? can you have etched? can he have etched? can we have etched? can you have etched? can they have etched?
Perfecto con V-ing
can I have been etching? can you have been etching? can he have been etching? can we have been etching? can you have been etching? can they have been etching?
Forma interro-negativa
Forma simple
can't I etch? can't you etch? can't he etch? can't we etch? can't you etch? can't they etch?
Forma con V-ing
can't I be etching? can't you be etching? can't he be etching? can't we be etching? can't you be etching? can't they be etching?
Perfecto
can't I have etched? can't you have etched? can't he have etched? can't we have etched? can't you have etched? can't they have etched?
Perfecto con V-ing
can't I have been etching? can't you have been etching? can't he have been etching? can't we have been etching? can't you have been etching? can't they have been etching?