could welch
Verbo regular: welch - welched- welched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could welch
you could welch
he could welch
we could welch
you could welch
they could welch 	I could be welching
you could be welching
he could be welching
we could be welching
you could be welching
they could be welching	I could have welched
you could have welched
he could have welched
we could have welched
you could have welched
they could have welched	I could have been welching
you could have been welching
he could have been welching
we could have been welching
you could have been welching
they could have been welching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not welch
you could not welch
he could not welch
we could not welch
you could not welch
they could not welch 	I could not be welching
you could not be welching
he could not be welching
we could not be welching
you could not be welching
they could not be welching	I could not have welched
you could not have welched
he could not have welched
we could not have welched
you could not have welched
they could not have welched	I could not have been welching
you could not have been welching
he could not have been welching
we could not have been welching
you could not have been welching
they could not have been welching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I welch?
could you welch?
could he welch?
could we welch?
could you welch?
could they welch? 	could I be welching?
could you be welching?
could he be welching?
could we be welching?
could you be welching?
could they be welching? 	could I have welched?
could you have welched?
could he have welched?
could we have welched?
could you have welched?
could they have welched? 	could I have been welching?
could you have been welching?
could he have been welching?
could we have been welching?
could you have been welching?
could they have been welching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not welch?
could you not welch?
could he not welch?
could we not welch?
could you not welch?
could they not welch? 	could I not be welching?
could you not be welching?
could he not be welching?
could we not be welching?
could you not be welching?
could they not be welching? 	could I not have welched?
could you not have welched?
could he not have welched?
could we not have welched?
could you not have welched?
could they not have welched? 	could I not have been welching?
could you not have been welching?
could he not have been welching?
could we not have been welching?
could you not have been welching?
could they not have been welching?