could unshift
Verbe régulier : unshift - unshifted- unshifted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could unshift
you could unshift
she could unshift
we could unshift
you could unshift
they could unshift 	I could be unshifting
you could be unshifting
she could be unshifting
we could be unshifting
you could be unshifting
they could be unshifting	I could have unshifted
you could have unshifted
she could have unshifted
we could have unshifted
you could have unshifted
they could have unshifted	I could have been unshifting
you could have been unshifting
she could have been unshifting
we could have been unshifting
you could have been unshifting
they could have been unshifting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't unshift
you couldn't unshift
she couldn't unshift
we couldn't unshift
you couldn't unshift
they couldn't unshift 	I couldn't be unshifting
you couldn't be unshifting
she couldn't be unshifting
we couldn't be unshifting
you couldn't be unshifting
they couldn't be unshifting	I couldn't have unshifted
you couldn't have unshifted
she couldn't have unshifted
we couldn't have unshifted
you couldn't have unshifted
they couldn't have unshifted	I couldn't have been unshifting
you couldn't have been unshifting
she couldn't have been unshifting
we couldn't have been unshifting
you couldn't have been unshifting
they couldn't have been unshifting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I unshift?
could you unshift?
could she unshift?
could we unshift?
could you unshift?
could they unshift? 	could I be unshifting?
could you be unshifting?
could she be unshifting?
could we be unshifting?
could you be unshifting?
could they be unshifting? 	could I have unshifted?
could you have unshifted?
could she have unshifted?
could we have unshifted?
could you have unshifted?
could they have unshifted? 	could I have been unshifting?
could you have been unshifting?
could she have been unshifting?
could we have been unshifting?
could you have been unshifting?
could they have been unshifting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I unshift?
couldn't you unshift?
couldn't she unshift?
couldn't we unshift?
couldn't you unshift?
couldn't they unshift? 	couldn't I be unshifting?
couldn't you be unshifting?
couldn't she be unshifting?
couldn't we be unshifting?
couldn't you be unshifting?
couldn't they be unshifting? 	couldn't I have unshifted?
couldn't you have unshifted?
couldn't she have unshifted?
couldn't we have unshifted?
couldn't you have unshifted?
couldn't they have unshifted? 	couldn't I have been unshifting?
couldn't you have been unshifting?
couldn't she have been unshifting?
couldn't we have been unshifting?
couldn't you have been unshifting?
couldn't they have been unshifting?