could dine
Verbo regular: dine - dined- dined

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could dine
you could dine
she could dine
we could dine
you could dine
they could dine 	I could be dining
you could be dining
she could be dining
we could be dining
you could be dining
they could be dining	I could have dined
you could have dined
she could have dined
we could have dined
you could have dined
they could have dined	I could have been dining
you could have been dining
she could have been dining
we could have been dining
you could have been dining
they could have been dining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't dine
you couldn't dine
she couldn't dine
we couldn't dine
you couldn't dine
they couldn't dine 	I couldn't be dining
you couldn't be dining
she couldn't be dining
we couldn't be dining
you couldn't be dining
they couldn't be dining	I couldn't have dined
you couldn't have dined
she couldn't have dined
we couldn't have dined
you couldn't have dined
they couldn't have dined	I couldn't have been dining
you couldn't have been dining
she couldn't have been dining
we couldn't have been dining
you couldn't have been dining
they couldn't have been dining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I dine?
could you dine?
could she dine?
could we dine?
could you dine?
could they dine? 	could I be dining?
could you be dining?
could she be dining?
could we be dining?
could you be dining?
could they be dining? 	could I have dined?
could you have dined?
could she have dined?
could we have dined?
could you have dined?
could they have dined? 	could I have been dining?
could you have been dining?
could she have been dining?
could we have been dining?
could you have been dining?
could they have been dining? 	

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