can tier
Verbe régulier : tier - tiered- tiered
Traduction française : disposer en gradins 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can tier
you can tier
he can tier
we can tier
you can tier
they can tier 	I can be tiering
you can be tiering
he can be tiering
we can be tiering
you can be tiering
they can be tiering	I can have tiered
you can have tiered
he can have tiered
we can have tiered
you can have tiered
they can have tiered	I can have been tiering
you can have been tiering
he can have been tiering
we can have been tiering
you can have been tiering
they can have been tiering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't tier
you can't tier
he can't tier
we can't tier
you can't tier
they can't tier 	I can't be tiering
you can't be tiering
he can't be tiering
we can't be tiering
you can't be tiering
they can't be tiering	I can't have tiered
you can't have tiered
he can't have tiered
we can't have tiered
you can't have tiered
they can't have tiered	I can't have been tiering
you can't have been tiering
he can't have been tiering
we can't have been tiering
you can't have been tiering
they can't have been tiering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I tier?
can you tier?
can he tier?
can we tier?
can you tier?
can they tier? 	can I be tiering?
can you be tiering?
can he be tiering?
can we be tiering?
can you be tiering?
can they be tiering? 	can I have tiered?
can you have tiered?
can he have tiered?
can we have tiered?
can you have tiered?
can they have tiered? 	can I have been tiering?
can you have been tiering?
can he have been tiering?
can we have been tiering?
can you have been tiering?
can they have been tiering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I tier?
can't you tier?
can't he tier?
can't we tier?
can't you tier?
can't they tier? 	can't I be tiering?
can't you be tiering?
can't he be tiering?
can't we be tiering?
can't you be tiering?
can't they be tiering? 	can't I have tiered?
can't you have tiered?
can't he have tiered?
can't we have tiered?
can't you have tiered?
can't they have tiered? 	can't I have been tiering?
can't you have been tiering?
can't he have been tiering?
can't we have been tiering?
can't you have been tiering?
can't they have been tiering?