could snip
Regular verb: snip - snipped- snipped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could snip
you could snip
he could snip
we could snip
you could snip
they could snip 	I could be snipping
you could be snipping
he could be snipping
we could be snipping
you could be snipping
they could be snipping	I could have snipped
you could have snipped
he could have snipped
we could have snipped
you could have snipped
they could have snipped	I could have been snipping
you could have been snipping
he could have been snipping
we could have been snipping
you could have been snipping
they could have been snipping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not snip
you could not snip
he could not snip
we could not snip
you could not snip
they could not snip 	I could not be snipping
you could not be snipping
he could not be snipping
we could not be snipping
you could not be snipping
they could not be snipping	I could not have snipped
you could not have snipped
he could not have snipped
we could not have snipped
you could not have snipped
they could not have snipped	I could not have been snipping
you could not have been snipping
he could not have been snipping
we could not have been snipping
you could not have been snipping
they could not have been snipping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I snip?
could you snip?
could he snip?
could we snip?
could you snip?
could they snip? 	could I be snipping?
could you be snipping?
could he be snipping?
could we be snipping?
could you be snipping?
could they be snipping? 	could I have snipped?
could you have snipped?
could he have snipped?
could we have snipped?
could you have snipped?
could they have snipped? 	could I have been snipping?
could you have been snipping?
could he have been snipping?
could we have been snipping?
could you have been snipping?
could they have been snipping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not snip?
could you not snip?
could he not snip?
could we not snip?
could you not snip?
could they not snip? 	could I not be snipping?
could you not be snipping?
could he not be snipping?
could we not be snipping?
could you not be snipping?
could they not be snipping? 	could I not have snipped?
could you not have snipped?
could he not have snipped?
could we not have snipped?
could you not have snipped?
could they not have snipped? 	could I not have been snipping?
could you not have been snipping?
could he not have been snipping?
could we not have been snipping?
could you not have been snipping?
could they not have been snipping?