can niche
Regular verb: niche - niched- niched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can niche
you can niche
he can niche
we can niche
you can niche
they can niche 	I can be niching
you can be niching
he can be niching
we can be niching
you can be niching
they can be niching	I can have niched
you can have niched
he can have niched
we can have niched
you can have niched
they can have niched	I can have been niching
you can have been niching
he can have been niching
we can have been niching
you can have been niching
they can have been niching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot niche
you cannot niche
he cannot niche
we cannot niche
you cannot niche
they cannot niche 	I cannot be niching
you cannot be niching
he cannot be niching
we cannot be niching
you cannot be niching
they cannot be niching	I cannot have niched
you cannot have niched
he cannot have niched
we cannot have niched
you cannot have niched
they cannot have niched	I cannot have been niching
you cannot have been niching
he cannot have been niching
we cannot have been niching
you cannot have been niching
they cannot have been niching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I niche?
can you niche?
can he niche?
can we niche?
can you niche?
can they niche? 	can I be niching?
can you be niching?
can he be niching?
can we be niching?
can you be niching?
can they be niching? 	can I have niched?
can you have niched?
can he have niched?
can we have niched?
can you have niched?
can they have niched? 	can I have been niching?
can you have been niching?
can he have been niching?
can we have been niching?
can you have been niching?
can they have been niching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not niche?
can you not niche?
can he not niche?
can we not niche?
can you not niche?
can they not niche? 	can I not be niching?
can you not be niching?
can he not be niching?
can we not be niching?
can you not be niching?
can they not be niching? 	can I not have niched?
can you not have niched?
can he not have niched?
can we not have niched?
can you not have niched?
can they not have niched? 	can I not have been niching?
can you not have been niching?
can he not have been niching?
can we not have been niching?
can you not have been niching?
can they not have been niching?