could instate
Regular verb: instate - instated- instated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could instate
you could instate
he could instate
we could instate
you could instate
they could instate 	I could be instating
you could be instating
he could be instating
we could be instating
you could be instating
they could be instating	I could have instated
you could have instated
he could have instated
we could have instated
you could have instated
they could have instated	I could have been instating
you could have been instating
he could have been instating
we could have been instating
you could have been instating
they could have been instating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not instate
you could not instate
he could not instate
we could not instate
you could not instate
they could not instate 	I could not be instating
you could not be instating
he could not be instating
we could not be instating
you could not be instating
they could not be instating	I could not have instated
you could not have instated
he could not have instated
we could not have instated
you could not have instated
they could not have instated	I could not have been instating
you could not have been instating
he could not have been instating
we could not have been instating
you could not have been instating
they could not have been instating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I instate?
could you instate?
could he instate?
could we instate?
could you instate?
could they instate? 	could I be instating?
could you be instating?
could he be instating?
could we be instating?
could you be instating?
could they be instating? 	could I have instated?
could you have instated?
could he have instated?
could we have instated?
could you have instated?
could they have instated? 	could I have been instating?
could you have been instating?
could he have been instating?
could we have been instating?
could you have been instating?
could they have been instating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not instate?
could you not instate?
could he not instate?
could we not instate?
could you not instate?
could they not instate? 	could I not be instating?
could you not be instating?
could he not be instating?
could we not be instating?
could you not be instating?
could they not be instating? 	could I not have instated?
could you not have instated?
could he not have instated?
could we not have instated?
could you not have instated?
could they not have instated? 	could I not have been instating?
could you not have been instating?
could he not have been instating?
could we not have been instating?
could you not have been instating?
could they not have been instating?