English verb conjugation
COULD CHAGRIN

Regular verb: chagrin - chagrined - chagrined

Affirmation

Simple form	V-ing form
I could chagrin you could chagrin she could chagrin we could chagrin you could chagrin they could chagrin	I could be chagrining you could be chagrining she could be chagrining we could be chagrining you could be chagrining they could be chagrining
Perfect	V-ing perfect
I could have chagrined you could have chagrined she could have chagrined we could have chagrined you could have chagrined they could have chagrined	I could have been chagrining you could have been chagrining she could have been chagrining we could have been chagrining you could have been chagrining they could have been chagrining

Negation

Simple form	V-ing form
I could not chagrin you could not chagrin she could not chagrin we could not chagrin you could not chagrin they could not chagrin	I could not be chagrining you could not be chagrining she could not be chagrining we could not be chagrining you could not be chagrining they could not be chagrining
Perfect	V-ing perfect
I could not have chagrined you could not have chagrined she could not have chagrined we could not have chagrined you could not have chagrined they could not have chagrined	I could not have been chagrining you could not have been chagrining she could not have been chagrining we could not have been chagrining you could not have been chagrining they could not have been chagrining

Interrogative form

Simple form	V-ing form
could I chagrin? could you chagrin? could she chagrin? could we chagrin? could you chagrin? could they chagrin?	could I be chagrining? could you be chagrining? could she be chagrining? could we be chagrining? could you be chagrining? could they be chagrining?
Perfect	V-ing perfect
could I have chagrined? could you have chagrined? could she have chagrined? could we have chagrined? could you have chagrined? could they have chagrined?	could I have been chagrining? could you have been chagrining? could she have been chagrining? could we have been chagrining? could you have been chagrining? could they have been chagrining?

Interro-negative form

Simple form	V-ing form
could I not chagrin? could you not chagrin? could she not chagrin? could we not chagrin? could you not chagrin? could they not chagrin?	could I not be chagrining? could you not be chagrining? could she not be chagrining? could we not be chagrining? could you not be chagrining? could they not be chagrining?
Perfect	V-ing perfect
could I not have chagrined? could you not have chagrined? could she not have chagrined? could we not have chagrined? could you not have chagrined? could they not have chagrined?	could I not have been chagrining? could you not have been chagrining? could she not have been chagrining? could we not have been chagrining? could you not have been chagrining? could they not have been chagrining?