could reproduce
Verbo regular: reproduce - reproduced- reproduced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could reproduce
you could reproduce
she could reproduce
we could reproduce
you could reproduce
they could reproduce 	I could be reproducing
you could be reproducing
she could be reproducing
we could be reproducing
you could be reproducing
they could be reproducing	I could have reproduced
you could have reproduced
she could have reproduced
we could have reproduced
you could have reproduced
they could have reproduced	I could have been reproducing
you could have been reproducing
she could have been reproducing
we could have been reproducing
you could have been reproducing
they could have been reproducing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not reproduce
you could not reproduce
she could not reproduce
we could not reproduce
you could not reproduce
they could not reproduce 	I could not be reproducing
you could not be reproducing
she could not be reproducing
we could not be reproducing
you could not be reproducing
they could not be reproducing	I could not have reproduced
you could not have reproduced
she could not have reproduced
we could not have reproduced
you could not have reproduced
they could not have reproduced	I could not have been reproducing
you could not have been reproducing
she could not have been reproducing
we could not have been reproducing
you could not have been reproducing
they could not have been reproducing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I reproduce?
could you reproduce?
could she reproduce?
could we reproduce?
could you reproduce?
could they reproduce? 	could I be reproducing?
could you be reproducing?
could she be reproducing?
could we be reproducing?
could you be reproducing?
could they be reproducing? 	could I have reproduced?
could you have reproduced?
could she have reproduced?
could we have reproduced?
could you have reproduced?
could they have reproduced? 	could I have been reproducing?
could you have been reproducing?
could she have been reproducing?
could we have been reproducing?
could you have been reproducing?
could they have been reproducing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not reproduce?
could you not reproduce?
could she not reproduce?
could we not reproduce?
could you not reproduce?
could they not reproduce? 	could I not be reproducing?
could you not be reproducing?
could she not be reproducing?
could we not be reproducing?
could you not be reproducing?
could they not be reproducing? 	could I not have reproduced?
could you not have reproduced?
could she not have reproduced?
could we not have reproduced?
could you not have reproduced?
could they not have reproduced? 	could I not have been reproducing?
could you not have been reproducing?
could she not have been reproducing?
could we not have been reproducing?
could you not have been reproducing?
could they not have been reproducing?