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 couldn't chagrin you couldn't chagrin she couldn't chagrin we couldn't chagrin you couldn't chagrin they couldn't chagrin	I couldn't be chagrining you couldn't be chagrining she couldn't be chagrining we couldn't be chagrining you couldn't be chagrining they couldn't be chagrining
Perfect	V-ing perfect
I couldn't have chagrined you couldn't have chagrined she couldn't have chagrined we couldn't have chagrined you couldn't have chagrined they couldn't have chagrined	I couldn't have been chagrining you couldn't have been chagrining she couldn't have been chagrining we couldn't have been chagrining you couldn't have been chagrining they couldn't 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
couldn't I chagrin? couldn't you chagrin? couldn't she chagrin? couldn't we chagrin? couldn't you chagrin? couldn't they chagrin?	couldn't I be chagrining? couldn't you be chagrining? couldn't she be chagrining? couldn't we be chagrining? couldn't you be chagrining? couldn't they be chagrining?
Perfect	V-ing perfect
couldn't I have chagrined? couldn't you have chagrined? couldn't she have chagrined? couldn't we have chagrined? couldn't you have chagrined? couldn't they have chagrined?	couldn't I have been chagrining? couldn't you have been chagrining? couldn't she have been chagrining? couldn't we have been chagrining? couldn't you have been chagrining? couldn't they have been chagrining?