could snick
Regular verb: snick - snicked- snicked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could snick
you could snick
he could snick
we could snick
you could snick
they could snick 	I could be snicking
you could be snicking
he could be snicking
we could be snicking
you could be snicking
they could be snicking	I could have snicked
you could have snicked
he could have snicked
we could have snicked
you could have snicked
they could have snicked	I could have been snicking
you could have been snicking
he could have been snicking
we could have been snicking
you could have been snicking
they could have been snicking	

Negation 	
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I could not snick
you could not snick
he could not snick
we could not snick
you could not snick
they could not snick 	I could not be snicking
you could not be snicking
he could not be snicking
we could not be snicking
you could not be snicking
they could not be snicking	I could not have snicked
you could not have snicked
he could not have snicked
we could not have snicked
you could not have snicked
they could not have snicked	I could not have been snicking
you could not have been snicking
he could not have been snicking
we could not have been snicking
you could not have been snicking
they could not have been snicking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I snick?
could you snick?
could he snick?
could we snick?
could you snick?
could they snick? 	could I be snicking?
could you be snicking?
could he be snicking?
could we be snicking?
could you be snicking?
could they be snicking? 	could I have snicked?
could you have snicked?
could he have snicked?
could we have snicked?
could you have snicked?
could they have snicked? 	could I have been snicking?
could you have been snicking?
could he have been snicking?
could we have been snicking?
could you have been snicking?
could they have been snicking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not snick?
could you not snick?
could he not snick?
could we not snick?
could you not snick?
could they not snick? 	could I not be snicking?
could you not be snicking?
could he not be snicking?
could we not be snicking?
could you not be snicking?
could they not be snicking? 	could I not have snicked?
could you not have snicked?
could he not have snicked?
could we not have snicked?
could you not have snicked?
could they not have snicked? 	could I not have been snicking?
could you not have been snicking?
could he not have been snicking?
could we not have been snicking?
could you not have been snicking?
could they not have been snicking?