could niche
Verbe régulier : niche - niched- niched

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could niche
you could niche
she could niche
we could niche
you could niche
they could niche 	I could be niching
you could be niching
she could be niching
we could be niching
you could be niching
they could be niching	I could have niched
you could have niched
she could have niched
we could have niched
you could have niched
they could have niched	I could have been niching
you could have been niching
she could have been niching
we could have been niching
you could have been niching
they could have been niching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't niche
you couldn't niche
she couldn't niche
we couldn't niche
you couldn't niche
they couldn't niche 	I couldn't be niching
you couldn't be niching
she couldn't be niching
we couldn't be niching
you couldn't be niching
they couldn't be niching	I couldn't have niched
you couldn't have niched
she couldn't have niched
we couldn't have niched
you couldn't have niched
they couldn't have niched	I couldn't have been niching
you couldn't have been niching
she couldn't have been niching
we couldn't have been niching
you couldn't have been niching
they couldn't have been niching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I niche?
could you niche?
could she niche?
could we niche?
could you niche?
could they niche? 	could I be niching?
could you be niching?
could she be niching?
could we be niching?
could you be niching?
could they be niching? 	could I have niched?
could you have niched?
could she have niched?
could we have niched?
could you have niched?
could they have niched? 	could I have been niching?
could you have been niching?
could she have been niching?
could we have been niching?
could you have been niching?
could they have been niching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I niche?
couldn't you niche?
couldn't she niche?
couldn't we niche?
couldn't you niche?
couldn't they niche? 	couldn't I be niching?
couldn't you be niching?
couldn't she be niching?
couldn't we be niching?
couldn't you be niching?
couldn't they be niching? 	couldn't I have niched?
couldn't you have niched?
couldn't she have niched?
couldn't we have niched?
couldn't you have niched?
couldn't they have niched? 	couldn't I have been niching?
couldn't you have been niching?
couldn't she have been niching?
couldn't we have been niching?
couldn't you have been niching?
couldn't they have been niching?