could stud
Verbe régulier : stud - studded- studded
Traduction française : clouter - garnir de clous 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could stud
you could stud
she could stud
we could stud
you could stud
they could stud 	I could be studding
you could be studding
she could be studding
we could be studding
you could be studding
they could be studding	I could have studded
you could have studded
she could have studded
we could have studded
you could have studded
they could have studded	I could have been studding
you could have been studding
she could have been studding
we could have been studding
you could have been studding
they could have been studding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't stud
you couldn't stud
she couldn't stud
we couldn't stud
you couldn't stud
they couldn't stud 	I couldn't be studding
you couldn't be studding
she couldn't be studding
we couldn't be studding
you couldn't be studding
they couldn't be studding	I couldn't have studded
you couldn't have studded
she couldn't have studded
we couldn't have studded
you couldn't have studded
they couldn't have studded	I couldn't have been studding
you couldn't have been studding
she couldn't have been studding
we couldn't have been studding
you couldn't have been studding
they couldn't have been studding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I stud?
could you stud?
could she stud?
could we stud?
could you stud?
could they stud? 	could I be studding?
could you be studding?
could she be studding?
could we be studding?
could you be studding?
could they be studding? 	could I have studded?
could you have studded?
could she have studded?
could we have studded?
could you have studded?
could they have studded? 	could I have been studding?
could you have been studding?
could she have been studding?
could we have been studding?
could you have been studding?
could they have been studding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I stud?
couldn't you stud?
couldn't she stud?
couldn't we stud?
couldn't you stud?
couldn't they stud? 	couldn't I be studding?
couldn't you be studding?
couldn't she be studding?
couldn't we be studding?
couldn't you be studding?
couldn't they be studding? 	couldn't I have studded?
couldn't you have studded?
couldn't she have studded?
couldn't we have studded?
couldn't you have studded?
couldn't they have studded? 	couldn't I have been studding?
couldn't you have been studding?
couldn't she have been studding?
couldn't we have been studding?
couldn't you have been studding?
couldn't they have been studding?