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
he could succeed
we could succeed
you could succeed
they could succeed 	I could be succeeding
you could be succeeding
he could be succeeding
we could be succeeding
you could be succeeding
they could be succeeding	I could have succeeded
you could have succeeded
he 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
he 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 couldn't succeed
you couldn't succeed
he 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
he 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
he 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
he 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
could I succeed?
could you succeed?
could he succeed?
could we succeed?
could you succeed?
could they succeed? 	could I be succeeding?
could you be succeeding?
could he be succeeding?
could we be succeeding?
could you be succeeding?
could they be succeeding? 	could I have succeeded?
could you have succeeded?
could he 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 he 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 	
couldn't I succeed?
couldn't you succeed?
couldn't he 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 he 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 he 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 he have been succeeding?
couldn't we have been succeeding?
couldn't you have been succeeding?
couldn't they have been succeeding?