could second
Verbo regular: second - seconded- seconded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could second
you could second
she could second
we could second
you could second
they could second 	I could be seconding
you could be seconding
she could be seconding
we could be seconding
you could be seconding
they could be seconding	I could have seconded
you could have seconded
she could have seconded
we could have seconded
you could have seconded
they could have seconded	I could have been seconding
you could have been seconding
she could have been seconding
we could have been seconding
you could have been seconding
they could have been seconding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not second
you could not second
she could not second
we could not second
you could not second
they could not second 	I could not be seconding
you could not be seconding
she could not be seconding
we could not be seconding
you could not be seconding
they could not be seconding	I could not have seconded
you could not have seconded
she could not have seconded
we could not have seconded
you could not have seconded
they could not have seconded	I could not have been seconding
you could not have been seconding
she could not have been seconding
we could not have been seconding
you could not have been seconding
they could not have been seconding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I second?
could you second?
could she second?
could we second?
could you second?
could they second? 	could I be seconding?
could you be seconding?
could she be seconding?
could we be seconding?
could you be seconding?
could they be seconding? 	could I have seconded?
could you have seconded?
could she have seconded?
could we have seconded?
could you have seconded?
could they have seconded? 	could I have been seconding?
could you have been seconding?
could she have been seconding?
could we have been seconding?
could you have been seconding?
could they have been seconding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not second?
could you not second?
could she not second?
could we not second?
could you not second?
could they not second? 	could I not be seconding?
could you not be seconding?
could she not be seconding?
could we not be seconding?
could you not be seconding?
could they not be seconding? 	could I not have seconded?
could you not have seconded?
could she not have seconded?
could we not have seconded?
could you not have seconded?
could they not have seconded? 	could I not have been seconding?
could you not have been seconding?
could she not have been seconding?
could we not have been seconding?
could you not have been seconding?
could they not have been seconding?