could convalesce
Verbo regular: convalesce - convalesced- convalesced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could convalesce
you could convalesce
he could convalesce
we could convalesce
you could convalesce
they could convalesce 	I could be convalescing
you could be convalescing
he could be convalescing
we could be convalescing
you could be convalescing
they could be convalescing	I could have convalesced
you could have convalesced
he could have convalesced
we could have convalesced
you could have convalesced
they could have convalesced	I could have been convalescing
you could have been convalescing
he could have been convalescing
we could have been convalescing
you could have been convalescing
they could have been convalescing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not convalesce
you could not convalesce
he could not convalesce
we could not convalesce
you could not convalesce
they could not convalesce 	I could not be convalescing
you could not be convalescing
he could not be convalescing
we could not be convalescing
you could not be convalescing
they could not be convalescing	I could not have convalesced
you could not have convalesced
he could not have convalesced
we could not have convalesced
you could not have convalesced
they could not have convalesced	I could not have been convalescing
you could not have been convalescing
he could not have been convalescing
we could not have been convalescing
you could not have been convalescing
they could not have been convalescing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I convalesce?
could you convalesce?
could he convalesce?
could we convalesce?
could you convalesce?
could they convalesce? 	could I be convalescing?
could you be convalescing?
could he be convalescing?
could we be convalescing?
could you be convalescing?
could they be convalescing? 	could I have convalesced?
could you have convalesced?
could he have convalesced?
could we have convalesced?
could you have convalesced?
could they have convalesced? 	could I have been convalescing?
could you have been convalescing?
could he have been convalescing?
could we have been convalescing?
could you have been convalescing?
could they have been convalescing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not convalesce?
could you not convalesce?
could he not convalesce?
could we not convalesce?
could you not convalesce?
could they not convalesce? 	could I not be convalescing?
could you not be convalescing?
could he not be convalescing?
could we not be convalescing?
could you not be convalescing?
could they not be convalescing? 	could I not have convalesced?
could you not have convalesced?
could he not have convalesced?
could we not have convalesced?
could you not have convalesced?
could they not have convalesced? 	could I not have been convalescing?
could you not have been convalescing?
could he not have been convalescing?
could we not have been convalescing?
could you not have been convalescing?
could they not have been convalescing?