can upright
Verbe régulier : upright - uprighted- uprighted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can upright
you can upright
he can upright
we can upright
you can upright
they can upright 	I can be uprighting
you can be uprighting
he can be uprighting
we can be uprighting
you can be uprighting
they can be uprighting	I can have uprighted
you can have uprighted
he can have uprighted
we can have uprighted
you can have uprighted
they can have uprighted	I can have been uprighting
you can have been uprighting
he can have been uprighting
we can have been uprighting
you can have been uprighting
they can have been uprighting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't upright
you can't upright
he can't upright
we can't upright
you can't upright
they can't upright 	I can't be uprighting
you can't be uprighting
he can't be uprighting
we can't be uprighting
you can't be uprighting
they can't be uprighting	I can't have uprighted
you can't have uprighted
he can't have uprighted
we can't have uprighted
you can't have uprighted
they can't have uprighted	I can't have been uprighting
you can't have been uprighting
he can't have been uprighting
we can't have been uprighting
you can't have been uprighting
they can't have been uprighting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I upright?
can you upright?
can he upright?
can we upright?
can you upright?
can they upright? 	can I be uprighting?
can you be uprighting?
can he be uprighting?
can we be uprighting?
can you be uprighting?
can they be uprighting? 	can I have uprighted?
can you have uprighted?
can he have uprighted?
can we have uprighted?
can you have uprighted?
can they have uprighted? 	can I have been uprighting?
can you have been uprighting?
can he have been uprighting?
can we have been uprighting?
can you have been uprighting?
can they have been uprighting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I upright?
can't you upright?
can't he upright?
can't we upright?
can't you upright?
can't they upright? 	can't I be uprighting?
can't you be uprighting?
can't he be uprighting?
can't we be uprighting?
can't you be uprighting?
can't they be uprighting? 	can't I have uprighted?
can't you have uprighted?
can't he have uprighted?
can't we have uprighted?
can't you have uprighted?
can't they have uprighted? 	can't I have been uprighting?
can't you have been uprighting?
can't he have been uprighting?
can't we have been uprighting?
can't you have been uprighting?
can't they have been uprighting?