could etiolate
Verbo regular: etiolate - etiolated- etiolated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could etiolate
you could etiolate
he could etiolate
we could etiolate
you could etiolate
they could etiolate 	I could be etiolating
you could be etiolating
he could be etiolating
we could be etiolating
you could be etiolating
they could be etiolating	I could have etiolated
you could have etiolated
he could have etiolated
we could have etiolated
you could have etiolated
they could have etiolated	I could have been etiolating
you could have been etiolating
he could have been etiolating
we could have been etiolating
you could have been etiolating
they could have been etiolating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't etiolate
you couldn't etiolate
he couldn't etiolate
we couldn't etiolate
you couldn't etiolate
they couldn't etiolate 	I couldn't be etiolating
you couldn't be etiolating
he couldn't be etiolating
we couldn't be etiolating
you couldn't be etiolating
they couldn't be etiolating	I couldn't have etiolated
you couldn't have etiolated
he couldn't have etiolated
we couldn't have etiolated
you couldn't have etiolated
they couldn't have etiolated	I couldn't have been etiolating
you couldn't have been etiolating
he couldn't have been etiolating
we couldn't have been etiolating
you couldn't have been etiolating
they couldn't have been etiolating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I etiolate?
could you etiolate?
could he etiolate?
could we etiolate?
could you etiolate?
could they etiolate? 	could I be etiolating?
could you be etiolating?
could he be etiolating?
could we be etiolating?
could you be etiolating?
could they be etiolating? 	could I have etiolated?
could you have etiolated?
could he have etiolated?
could we have etiolated?
could you have etiolated?
could they have etiolated? 	could I have been etiolating?
could you have been etiolating?
could he have been etiolating?
could we have been etiolating?
could you have been etiolating?
could they have been etiolating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I etiolate?
couldn't you etiolate?
couldn't he etiolate?
couldn't we etiolate?
couldn't you etiolate?
couldn't they etiolate? 	couldn't I be etiolating?
couldn't you be etiolating?
couldn't he be etiolating?
couldn't we be etiolating?
couldn't you be etiolating?
couldn't they be etiolating? 	couldn't I have etiolated?
couldn't you have etiolated?
couldn't he have etiolated?
couldn't we have etiolated?
couldn't you have etiolated?
couldn't they have etiolated? 	couldn't I have been etiolating?
couldn't you have been etiolating?
couldn't he have been etiolating?
couldn't we have been etiolating?
couldn't you have been etiolating?
couldn't they have been etiolating?