could tuft
Verbe régulier : tuft - tufted- tufted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could tuft
you could tuft
he could tuft
we could tuft
you could tuft
they could tuft 	I could be tufting
you could be tufting
he could be tufting
we could be tufting
you could be tufting
they could be tufting	I could have tufted
you could have tufted
he could have tufted
we could have tufted
you could have tufted
they could have tufted	I could have been tufting
you could have been tufting
he could have been tufting
we could have been tufting
you could have been tufting
they could have been tufting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't tuft
you couldn't tuft
he couldn't tuft
we couldn't tuft
you couldn't tuft
they couldn't tuft 	I couldn't be tufting
you couldn't be tufting
he couldn't be tufting
we couldn't be tufting
you couldn't be tufting
they couldn't be tufting	I couldn't have tufted
you couldn't have tufted
he couldn't have tufted
we couldn't have tufted
you couldn't have tufted
they couldn't have tufted	I couldn't have been tufting
you couldn't have been tufting
he couldn't have been tufting
we couldn't have been tufting
you couldn't have been tufting
they couldn't have been tufting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I tuft?
could you tuft?
could he tuft?
could we tuft?
could you tuft?
could they tuft? 	could I be tufting?
could you be tufting?
could he be tufting?
could we be tufting?
could you be tufting?
could they be tufting? 	could I have tufted?
could you have tufted?
could he have tufted?
could we have tufted?
could you have tufted?
could they have tufted? 	could I have been tufting?
could you have been tufting?
could he have been tufting?
could we have been tufting?
could you have been tufting?
could they have been tufting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I tuft?
couldn't you tuft?
couldn't he tuft?
couldn't we tuft?
couldn't you tuft?
couldn't they tuft? 	couldn't I be tufting?
couldn't you be tufting?
couldn't he be tufting?
couldn't we be tufting?
couldn't you be tufting?
couldn't they be tufting? 	couldn't I have tufted?
couldn't you have tufted?
couldn't he have tufted?
couldn't we have tufted?
couldn't you have tufted?
couldn't they have tufted? 	couldn't I have been tufting?
couldn't you have been tufting?
couldn't he have been tufting?
couldn't we have been tufting?
couldn't you have been tufting?
couldn't they have been tufting?