could revive
Verbo regular: revive - revived- revived

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could revive
you could revive
she could revive
we could revive
you could revive
they could revive 	I could be reviving
you could be reviving
she could be reviving
we could be reviving
you could be reviving
they could be reviving	I could have revived
you could have revived
she could have revived
we could have revived
you could have revived
they could have revived	I could have been reviving
you could have been reviving
she could have been reviving
we could have been reviving
you could have been reviving
they could have been reviving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't revive
you couldn't revive
she couldn't revive
we couldn't revive
you couldn't revive
they couldn't revive 	I couldn't be reviving
you couldn't be reviving
she couldn't be reviving
we couldn't be reviving
you couldn't be reviving
they couldn't be reviving	I couldn't have revived
you couldn't have revived
she couldn't have revived
we couldn't have revived
you couldn't have revived
they couldn't have revived	I couldn't have been reviving
you couldn't have been reviving
she couldn't have been reviving
we couldn't have been reviving
you couldn't have been reviving
they couldn't have been reviving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I revive?
could you revive?
could she revive?
could we revive?
could you revive?
could they revive? 	could I be reviving?
could you be reviving?
could she be reviving?
could we be reviving?
could you be reviving?
could they be reviving? 	could I have revived?
could you have revived?
could she have revived?
could we have revived?
could you have revived?
could they have revived? 	could I have been reviving?
could you have been reviving?
could she have been reviving?
could we have been reviving?
could you have been reviving?
could they have been reviving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I revive?
couldn't you revive?
couldn't she revive?
couldn't we revive?
couldn't you revive?
couldn't they revive? 	couldn't I be reviving?
couldn't you be reviving?
couldn't she be reviving?
couldn't we be reviving?
couldn't you be reviving?
couldn't they be reviving? 	couldn't I have revived?
couldn't you have revived?
couldn't she have revived?
couldn't we have revived?
couldn't you have revived?
couldn't they have revived? 	couldn't I have been reviving?
couldn't you have been reviving?
couldn't she have been reviving?
couldn't we have been reviving?
couldn't you have been reviving?
couldn't they have been reviving?