could asseverate
Verbo regular: asseverate - asseverated- asseverated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could asseverate
you could asseverate
he could asseverate
we could asseverate
you could asseverate
they could asseverate 	I could be asseverating
you could be asseverating
he could be asseverating
we could be asseverating
you could be asseverating
they could be asseverating	I could have asseverated
you could have asseverated
he could have asseverated
we could have asseverated
you could have asseverated
they could have asseverated	I could have been asseverating
you could have been asseverating
he could have been asseverating
we could have been asseverating
you could have been asseverating
they could have been asseverating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't asseverate
you couldn't asseverate
he couldn't asseverate
we couldn't asseverate
you couldn't asseverate
they couldn't asseverate 	I couldn't be asseverating
you couldn't be asseverating
he couldn't be asseverating
we couldn't be asseverating
you couldn't be asseverating
they couldn't be asseverating	I couldn't have asseverated
you couldn't have asseverated
he couldn't have asseverated
we couldn't have asseverated
you couldn't have asseverated
they couldn't have asseverated	I couldn't have been asseverating
you couldn't have been asseverating
he couldn't have been asseverating
we couldn't have been asseverating
you couldn't have been asseverating
they couldn't have been asseverating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I asseverate?
could you asseverate?
could he asseverate?
could we asseverate?
could you asseverate?
could they asseverate? 	could I be asseverating?
could you be asseverating?
could he be asseverating?
could we be asseverating?
could you be asseverating?
could they be asseverating? 	could I have asseverated?
could you have asseverated?
could he have asseverated?
could we have asseverated?
could you have asseverated?
could they have asseverated? 	could I have been asseverating?
could you have been asseverating?
could he have been asseverating?
could we have been asseverating?
could you have been asseverating?
could they have been asseverating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I asseverate?
couldn't you asseverate?
couldn't he asseverate?
couldn't we asseverate?
couldn't you asseverate?
couldn't they asseverate? 	couldn't I be asseverating?
couldn't you be asseverating?
couldn't he be asseverating?
couldn't we be asseverating?
couldn't you be asseverating?
couldn't they be asseverating? 	couldn't I have asseverated?
couldn't you have asseverated?
couldn't he have asseverated?
couldn't we have asseverated?
couldn't you have asseverated?
couldn't they have asseverated? 	couldn't I have been asseverating?
couldn't you have been asseverating?
couldn't he have been asseverating?
couldn't we have been asseverating?
couldn't you have been asseverating?
couldn't they have been asseverating?