could succeed
Verbo regular: succeed - succeeded- succeeded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not succeed
you could not succeed
she could not succeed
we could not succeed
you could not succeed
they could not succeed 	I could not be succeeding
you could not be succeeding
she could not be succeeding
we could not be succeeding
you could not be succeeding
they could not be succeeding	I could not have succeeded
you could not have succeeded
she could not have succeeded
we could not have succeeded
you could not have succeeded
they could not have succeeded	I could not have been succeeding
you could not have been succeeding
she could not have been succeeding
we could not have been succeeding
you could not have been succeeding
they could not have been succeeding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not succeed?
could you not succeed?
could she not succeed?
could we not succeed?
could you not succeed?
could they not succeed? 	could I not be succeeding?
could you not be succeeding?
could she not be succeeding?
could we not be succeeding?
could you not be succeeding?
could they not be succeeding? 	could I not have succeeded?
could you not have succeeded?
could she not have succeeded?
could we not have succeeded?
could you not have succeeded?
could they not have succeeded? 	could I not have been succeeding?
could you not have been succeeding?
could she not have been succeeding?
could we not have been succeeding?
could you not have been succeeding?
could they not have been succeeding?