could fun
Verbo regular: fun - funed- funed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could fun
you could fun
she could fun
we could fun
you could fun
they could fun 	I could be funing
you could be funing
she could be funing
we could be funing
you could be funing
they could be funing	I could have funed
you could have funed
she could have funed
we could have funed
you could have funed
they could have funed	I could have been funing
you could have been funing
she could have been funing
we could have been funing
you could have been funing
they could have been funing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't fun
you couldn't fun
she couldn't fun
we couldn't fun
you couldn't fun
they couldn't fun 	I couldn't be funing
you couldn't be funing
she couldn't be funing
we couldn't be funing
you couldn't be funing
they couldn't be funing	I couldn't have funed
you couldn't have funed
she couldn't have funed
we couldn't have funed
you couldn't have funed
they couldn't have funed	I couldn't have been funing
you couldn't have been funing
she couldn't have been funing
we couldn't have been funing
you couldn't have been funing
they couldn't have been funing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I fun?
could you fun?
could she fun?
could we fun?
could you fun?
could they fun? 	could I be funing?
could you be funing?
could she be funing?
could we be funing?
could you be funing?
could they be funing? 	could I have funed?
could you have funed?
could she have funed?
could we have funed?
could you have funed?
could they have funed? 	could I have been funing?
could you have been funing?
could she have been funing?
could we have been funing?
could you have been funing?
could they have been funing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I fun?
couldn't you fun?
couldn't she fun?
couldn't we fun?
couldn't you fun?
couldn't they fun? 	couldn't I be funing?
couldn't you be funing?
couldn't she be funing?
couldn't we be funing?
couldn't you be funing?
couldn't they be funing? 	couldn't I have funed?
couldn't you have funed?
couldn't she have funed?
couldn't we have funed?
couldn't you have funed?
couldn't they have funed? 	couldn't I have been funing?
couldn't you have been funing?
couldn't she have been funing?
couldn't we have been funing?
couldn't you have been funing?
couldn't they have been funing?