could shun
Regular verb: shun - shunned- shunned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could shun
you could shun
he could shun
we could shun
you could shun
they could shun 	I could be shunning
you could be shunning
he could be shunning
we could be shunning
you could be shunning
they could be shunning	I could have shunned
you could have shunned
he could have shunned
we could have shunned
you could have shunned
they could have shunned	I could have been shunning
you could have been shunning
he could have been shunning
we could have been shunning
you could have been shunning
they could have been shunning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not shun
you could not shun
he could not shun
we could not shun
you could not shun
they could not shun 	I could not be shunning
you could not be shunning
he could not be shunning
we could not be shunning
you could not be shunning
they could not be shunning	I could not have shunned
you could not have shunned
he could not have shunned
we could not have shunned
you could not have shunned
they could not have shunned	I could not have been shunning
you could not have been shunning
he could not have been shunning
we could not have been shunning
you could not have been shunning
they could not have been shunning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I shun?
could you shun?
could he shun?
could we shun?
could you shun?
could they shun? 	could I be shunning?
could you be shunning?
could he be shunning?
could we be shunning?
could you be shunning?
could they be shunning? 	could I have shunned?
could you have shunned?
could he have shunned?
could we have shunned?
could you have shunned?
could they have shunned? 	could I have been shunning?
could you have been shunning?
could he have been shunning?
could we have been shunning?
could you have been shunning?
could they have been shunning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not shun?
could you not shun?
could he not shun?
could we not shun?
could you not shun?
could they not shun? 	could I not be shunning?
could you not be shunning?
could he not be shunning?
could we not be shunning?
could you not be shunning?
could they not be shunning? 	could I not have shunned?
could you not have shunned?
could he not have shunned?
could we not have shunned?
could you not have shunned?
could they not have shunned? 	could I not have been shunning?
could you not have been shunning?
could he not have been shunning?
could we not have been shunning?
could you not have been shunning?
could they not have been shunning?