could radiotelephone
Verbe régulier : radiotelephone - radiotelephoned- radiotelephoned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could radiotelephone
you could radiotelephone
he could radiotelephone
we could radiotelephone
you could radiotelephone
they could radiotelephone 	I could be radiotelephoning
you could be radiotelephoning
he could be radiotelephoning
we could be radiotelephoning
you could be radiotelephoning
they could be radiotelephoning	I could have radiotelephoned
you could have radiotelephoned
he could have radiotelephoned
we could have radiotelephoned
you could have radiotelephoned
they could have radiotelephoned	I could have been radiotelephoning
you could have been radiotelephoning
he could have been radiotelephoning
we could have been radiotelephoning
you could have been radiotelephoning
they could have been radiotelephoning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't radiotelephone
you couldn't radiotelephone
he couldn't radiotelephone
we couldn't radiotelephone
you couldn't radiotelephone
they couldn't radiotelephone 	I couldn't be radiotelephoning
you couldn't be radiotelephoning
he couldn't be radiotelephoning
we couldn't be radiotelephoning
you couldn't be radiotelephoning
they couldn't be radiotelephoning	I couldn't have radiotelephoned
you couldn't have radiotelephoned
he couldn't have radiotelephoned
we couldn't have radiotelephoned
you couldn't have radiotelephoned
they couldn't have radiotelephoned	I couldn't have been radiotelephoning
you couldn't have been radiotelephoning
he couldn't have been radiotelephoning
we couldn't have been radiotelephoning
you couldn't have been radiotelephoning
they couldn't have been radiotelephoning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I radiotelephone?
could you radiotelephone?
could he radiotelephone?
could we radiotelephone?
could you radiotelephone?
could they radiotelephone? 	could I be radiotelephoning?
could you be radiotelephoning?
could he be radiotelephoning?
could we be radiotelephoning?
could you be radiotelephoning?
could they be radiotelephoning? 	could I have radiotelephoned?
could you have radiotelephoned?
could he have radiotelephoned?
could we have radiotelephoned?
could you have radiotelephoned?
could they have radiotelephoned? 	could I have been radiotelephoning?
could you have been radiotelephoning?
could he have been radiotelephoning?
could we have been radiotelephoning?
could you have been radiotelephoning?
could they have been radiotelephoning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I radiotelephone?
couldn't you radiotelephone?
couldn't he radiotelephone?
couldn't we radiotelephone?
couldn't you radiotelephone?
couldn't they radiotelephone? 	couldn't I be radiotelephoning?
couldn't you be radiotelephoning?
couldn't he be radiotelephoning?
couldn't we be radiotelephoning?
couldn't you be radiotelephoning?
couldn't they be radiotelephoning? 	couldn't I have radiotelephoned?
couldn't you have radiotelephoned?
couldn't he have radiotelephoned?
couldn't we have radiotelephoned?
couldn't you have radiotelephoned?
couldn't they have radiotelephoned? 	couldn't I have been radiotelephoning?
couldn't you have been radiotelephoning?
couldn't he have been radiotelephoning?
couldn't we have been radiotelephoning?
couldn't you have been radiotelephoning?
couldn't they have been radiotelephoning?