can nictitate
Regular verb: nictitate - nictitated- nictitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can nictitate
you can nictitate
he can nictitate
we can nictitate
you can nictitate
they can nictitate 	I can be nictitating
you can be nictitating
he can be nictitating
we can be nictitating
you can be nictitating
they can be nictitating	I can have nictitated
you can have nictitated
he can have nictitated
we can have nictitated
you can have nictitated
they can have nictitated	I can have been nictitating
you can have been nictitating
he can have been nictitating
we can have been nictitating
you can have been nictitating
they can have been nictitating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't nictitate
you can't nictitate
he can't nictitate
we can't nictitate
you can't nictitate
they can't nictitate 	I can't be nictitating
you can't be nictitating
he can't be nictitating
we can't be nictitating
you can't be nictitating
they can't be nictitating	I can't have nictitated
you can't have nictitated
he can't have nictitated
we can't have nictitated
you can't have nictitated
they can't have nictitated	I can't have been nictitating
you can't have been nictitating
he can't have been nictitating
we can't have been nictitating
you can't have been nictitating
they can't have been nictitating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I nictitate?
can you nictitate?
can he nictitate?
can we nictitate?
can you nictitate?
can they nictitate? 	can I be nictitating?
can you be nictitating?
can he be nictitating?
can we be nictitating?
can you be nictitating?
can they be nictitating? 	can I have nictitated?
can you have nictitated?
can he have nictitated?
can we have nictitated?
can you have nictitated?
can they have nictitated? 	can I have been nictitating?
can you have been nictitating?
can he have been nictitating?
can we have been nictitating?
can you have been nictitating?
can they have been nictitating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I nictitate?
can't you nictitate?
can't he nictitate?
can't we nictitate?
can't you nictitate?
can't they nictitate? 	can't I be nictitating?
can't you be nictitating?
can't he be nictitating?
can't we be nictitating?
can't you be nictitating?
can't they be nictitating? 	can't I have nictitated?
can't you have nictitated?
can't he have nictitated?
can't we have nictitated?
can't you have nictitated?
can't they have nictitated? 	can't I have been nictitating?
can't you have been nictitating?
can't he have been nictitating?
can't we have been nictitating?
can't you have been nictitating?
can't they have been nictitating?