English verb conjugation
COULD INSTATE

Regular verb: instate - instated - instated

Affirmation

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