could fun
Verbe régulier : fun - funed- funed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could fun
you could fun
he could fun
we could fun
you could fun
they could fun 	I could be funing
you could be funing
he could be funing
we could be funing
you could be funing
they could be funing	I could have funed
you could have funed
he 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
he could have been funing
we could have been funing
you could have been funing
they could have been funing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not fun
you could not fun
he could not fun
we could not fun
you could not fun
they could not fun 	I could not be funing
you could not be funing
he could not be funing
we could not be funing
you could not be funing
they could not be funing	I could not have funed
you could not have funed
he could not have funed
we could not have funed
you could not have funed
they could not have funed	I could not have been funing
you could not have been funing
he could not have been funing
we could not have been funing
you could not have been funing
they could not have been funing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I fun?
could you fun?
could he fun?
could we fun?
could you fun?
could they fun? 	could I be funing?
could you be funing?
could he be funing?
could we be funing?
could you be funing?
could they be funing? 	could I have funed?
could you have funed?
could he 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 he have been funing?
could we have been funing?
could you have been funing?
could they have been funing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not fun?
could you not fun?
could he not fun?
could we not fun?
could you not fun?
could they not fun? 	could I not be funing?
could you not be funing?
could he not be funing?
could we not be funing?
could you not be funing?
could they not be funing? 	could I not have funed?
could you not have funed?
could he not have funed?
could we not have funed?
could you not have funed?
could they not have funed? 	could I not have been funing?
could you not have been funing?
could he not have been funing?
could we not have been funing?
could you not have been funing?
could they not have been funing?