could infix
Verbo regular: infix - infixed- infixed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could infix
you could infix
he could infix
we could infix
you could infix
they could infix 	I could be infixing
you could be infixing
he could be infixing
we could be infixing
you could be infixing
they could be infixing	I could have infixed
you could have infixed
he could have infixed
we could have infixed
you could have infixed
they could have infixed	I could have been infixing
you could have been infixing
he could have been infixing
we could have been infixing
you could have been infixing
they could have been infixing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't infix
you couldn't infix
he couldn't infix
we couldn't infix
you couldn't infix
they couldn't infix 	I couldn't be infixing
you couldn't be infixing
he couldn't be infixing
we couldn't be infixing
you couldn't be infixing
they couldn't be infixing	I couldn't have infixed
you couldn't have infixed
he couldn't have infixed
we couldn't have infixed
you couldn't have infixed
they couldn't have infixed	I couldn't have been infixing
you couldn't have been infixing
he couldn't have been infixing
we couldn't have been infixing
you couldn't have been infixing
they couldn't have been infixing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I infix?
could you infix?
could he infix?
could we infix?
could you infix?
could they infix? 	could I be infixing?
could you be infixing?
could he be infixing?
could we be infixing?
could you be infixing?
could they be infixing? 	could I have infixed?
could you have infixed?
could he have infixed?
could we have infixed?
could you have infixed?
could they have infixed? 	could I have been infixing?
could you have been infixing?
could he have been infixing?
could we have been infixing?
could you have been infixing?
could they have been infixing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I infix?
couldn't you infix?
couldn't he infix?
couldn't we infix?
couldn't you infix?
couldn't they infix? 	couldn't I be infixing?
couldn't you be infixing?
couldn't he be infixing?
couldn't we be infixing?
couldn't you be infixing?
couldn't they be infixing? 	couldn't I have infixed?
couldn't you have infixed?
couldn't he have infixed?
couldn't we have infixed?
couldn't you have infixed?
couldn't they have infixed? 	couldn't I have been infixing?
couldn't you have been infixing?
couldn't he have been infixing?
couldn't we have been infixing?
couldn't you have been infixing?
couldn't they have been infixing?