could invest
Verbo regular: invest - invested- invested

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could invest
you could invest
she could invest
we could invest
you could invest
they could invest 	I could be investing
you could be investing
she could be investing
we could be investing
you could be investing
they could be investing	I could have invested
you could have invested
she could have invested
we could have invested
you could have invested
they could have invested	I could have been investing
you could have been investing
she could have been investing
we could have been investing
you could have been investing
they could have been investing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not invest
you could not invest
she could not invest
we could not invest
you could not invest
they could not invest 	I could not be investing
you could not be investing
she could not be investing
we could not be investing
you could not be investing
they could not be investing	I could not have invested
you could not have invested
she could not have invested
we could not have invested
you could not have invested
they could not have invested	I could not have been investing
you could not have been investing
she could not have been investing
we could not have been investing
you could not have been investing
they could not have been investing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I invest?
could you invest?
could she invest?
could we invest?
could you invest?
could they invest? 	could I be investing?
could you be investing?
could she be investing?
could we be investing?
could you be investing?
could they be investing? 	could I have invested?
could you have invested?
could she have invested?
could we have invested?
could you have invested?
could they have invested? 	could I have been investing?
could you have been investing?
could she have been investing?
could we have been investing?
could you have been investing?
could they have been investing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not invest?
could you not invest?
could she not invest?
could we not invest?
could you not invest?
could they not invest? 	could I not be investing?
could you not be investing?
could she not be investing?
could we not be investing?
could you not be investing?
could they not be investing? 	could I not have invested?
could you not have invested?
could she not have invested?
could we not have invested?
could you not have invested?
could they not have invested? 	could I not have been investing?
could you not have been investing?
could she not have been investing?
could we not have been investing?
could you not have been investing?
could they not have been investing?