could succeed
Verbo regular: succeed - succeeded- succeeded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could succeed
you could succeed
she could succeed
we could succeed
you could succeed
they could succeed 	I could be succeeding
you could be succeeding
she could be succeeding
we could be succeeding
you could be succeeding
they could be succeeding	I could have succeeded
you could have succeeded
she could have succeeded
we could have succeeded
you could have succeeded
they could have succeeded	I could have been succeeding
you could have been succeeding
she could have been succeeding
we could have been succeeding
you could have been succeeding
they could have been succeeding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't succeed
you couldn't succeed
she couldn't succeed
we couldn't succeed
you couldn't succeed
they couldn't succeed 	I couldn't be succeeding
you couldn't be succeeding
she couldn't be succeeding
we couldn't be succeeding
you couldn't be succeeding
they couldn't be succeeding	I couldn't have succeeded
you couldn't have succeeded
she couldn't have succeeded
we couldn't have succeeded
you couldn't have succeeded
they couldn't have succeeded	I couldn't have been succeeding
you couldn't have been succeeding
she couldn't have been succeeding
we couldn't have been succeeding
you couldn't have been succeeding
they couldn't have been succeeding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I succeed?
could you succeed?
could she succeed?
could we succeed?
could you succeed?
could they succeed? 	could I be succeeding?
could you be succeeding?
could she be succeeding?
could we be succeeding?
could you be succeeding?
could they be succeeding? 	could I have succeeded?
could you have succeeded?
could she have succeeded?
could we have succeeded?
could you have succeeded?
could they have succeeded? 	could I have been succeeding?
could you have been succeeding?
could she have been succeeding?
could we have been succeeding?
could you have been succeeding?
could they have been succeeding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I succeed?
couldn't you succeed?
couldn't she succeed?
couldn't we succeed?
couldn't you succeed?
couldn't they succeed? 	couldn't I be succeeding?
couldn't you be succeeding?
couldn't she be succeeding?
couldn't we be succeeding?
couldn't you be succeeding?
couldn't they be succeeding? 	couldn't I have succeeded?
couldn't you have succeeded?
couldn't she have succeeded?
couldn't we have succeeded?
couldn't you have succeeded?
couldn't they have succeeded? 	couldn't I have been succeeding?
couldn't you have been succeeding?
couldn't she have been succeeding?
couldn't we have been succeeding?
couldn't you have been succeeding?
couldn't they have been succeeding?