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
she could tuft
we could tuft
you could tuft
they could tuft 	I could be tufting
you could be tufting
she could be tufting
we could be tufting
you could be tufting
they could be tufting	I could have tufted
you could have tufted
she 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
she 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
she 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
she 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
she 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
she 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 she tuft?
could we tuft?
could you tuft?
could they tuft? 	could I be tufting?
could you be tufting?
could she be tufting?
could we be tufting?
could you be tufting?
could they be tufting? 	could I have tufted?
could you have tufted?
could she 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 she 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 she 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 she 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 she 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 she have been tufting?
couldn't we have been tufting?
couldn't you have been tufting?
couldn't they have been tufting?