could issue
Verbo regular: issue - issued- issued

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could issue
you could issue
he could issue
we could issue
you could issue
they could issue 	I could be issuing
you could be issuing
he could be issuing
we could be issuing
you could be issuing
they could be issuing	I could have issued
you could have issued
he could have issued
we could have issued
you could have issued
they could have issued	I could have been issuing
you could have been issuing
he could have been issuing
we could have been issuing
you could have been issuing
they could have been issuing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't issue
you couldn't issue
he couldn't issue
we couldn't issue
you couldn't issue
they couldn't issue 	I couldn't be issuing
you couldn't be issuing
he couldn't be issuing
we couldn't be issuing
you couldn't be issuing
they couldn't be issuing	I couldn't have issued
you couldn't have issued
he couldn't have issued
we couldn't have issued
you couldn't have issued
they couldn't have issued	I couldn't have been issuing
you couldn't have been issuing
he couldn't have been issuing
we couldn't have been issuing
you couldn't have been issuing
they couldn't have been issuing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I issue?
could you issue?
could he issue?
could we issue?
could you issue?
could they issue? 	could I be issuing?
could you be issuing?
could he be issuing?
could we be issuing?
could you be issuing?
could they be issuing? 	could I have issued?
could you have issued?
could he have issued?
could we have issued?
could you have issued?
could they have issued? 	could I have been issuing?
could you have been issuing?
could he have been issuing?
could we have been issuing?
could you have been issuing?
could they have been issuing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I issue?
couldn't you issue?
couldn't he issue?
couldn't we issue?
couldn't you issue?
couldn't they issue? 	couldn't I be issuing?
couldn't you be issuing?
couldn't he be issuing?
couldn't we be issuing?
couldn't you be issuing?
couldn't they be issuing? 	couldn't I have issued?
couldn't you have issued?
couldn't he have issued?
couldn't we have issued?
couldn't you have issued?
couldn't they have issued? 	couldn't I have been issuing?
couldn't you have been issuing?
couldn't he have been issuing?
couldn't we have been issuing?
couldn't you have been issuing?
couldn't they have been issuing?