could shut
Verbo irregular: shut - shut- shut

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could shut
you could shut
she could shut
we could shut
you could shut
they could shut 	I could be shutting
you could be shutting
she could be shutting
we could be shutting
you could be shutting
they could be shutting	I could have shut
you could have shut
she could have shut
we could have shut
you could have shut
they could have shut	I could have been shutting
you could have been shutting
she could have been shutting
we could have been shutting
you could have been shutting
they could have been shutting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't shut
you couldn't shut
she couldn't shut
we couldn't shut
you couldn't shut
they couldn't shut 	I couldn't be shutting
you couldn't be shutting
she couldn't be shutting
we couldn't be shutting
you couldn't be shutting
they couldn't be shutting	I couldn't have shut
you couldn't have shut
she couldn't have shut
we couldn't have shut
you couldn't have shut
they couldn't have shut	I couldn't have been shutting
you couldn't have been shutting
she couldn't have been shutting
we couldn't have been shutting
you couldn't have been shutting
they couldn't have been shutting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I shut?
could you shut?
could she shut?
could we shut?
could you shut?
could they shut? 	could I be shutting?
could you be shutting?
could she be shutting?
could we be shutting?
could you be shutting?
could they be shutting? 	could I have shut?
could you have shut?
could she have shut?
could we have shut?
could you have shut?
could they have shut? 	could I have been shutting?
could you have been shutting?
could she have been shutting?
could we have been shutting?
could you have been shutting?
could they have been shutting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I shut?
couldn't you shut?
couldn't she shut?
couldn't we shut?
couldn't you shut?
couldn't they shut? 	couldn't I be shutting?
couldn't you be shutting?
couldn't she be shutting?
couldn't we be shutting?
couldn't you be shutting?
couldn't they be shutting? 	couldn't I have shut?
couldn't you have shut?
couldn't she have shut?
couldn't we have shut?
couldn't you have shut?
couldn't they have shut? 	couldn't I have been shutting?
couldn't you have been shutting?
couldn't she have been shutting?
couldn't we have been shutting?
couldn't you have been shutting?
couldn't they have been shutting?