English verb conjugation
COULD WORST

Regular verb: worst - worsted - worsted

Affirmation

Simple form	V-ing form
I could worst you could worst she could worst we could worst you could worst they could worst	I could be worsting you could be worsting she could be worsting we could be worsting you could be worsting they could be worsting
Perfect	V-ing perfect
I could have worsted you could have worsted she could have worsted we could have worsted you could have worsted they could have worsted	I could have been worsting you could have been worsting she could have been worsting we could have been worsting you could have been worsting they could have been worsting

Negation

Simple form	V-ing form
I could not worst you could not worst she could not worst we could not worst you could not worst they could not worst	I could not be worsting you could not be worsting she could not be worsting we could not be worsting you could not be worsting they could not be worsting
Perfect	V-ing perfect
I could not have worsted you could not have worsted she could not have worsted we could not have worsted you could not have worsted they could not have worsted	I could not have been worsting you could not have been worsting she could not have been worsting we could not have been worsting you could not have been worsting they could not have been worsting

Interrogative form

Simple form	V-ing form
could I worst? could you worst? could she worst? could we worst? could you worst? could they worst?	could I be worsting? could you be worsting? could she be worsting? could we be worsting? could you be worsting? could they be worsting?
Perfect	V-ing perfect
could I have worsted? could you have worsted? could she have worsted? could we have worsted? could you have worsted? could they have worsted?	could I have been worsting? could you have been worsting? could she have been worsting? could we have been worsting? could you have been worsting? could they have been worsting?

Interro-negative form

Simple form	V-ing form
could I not worst? could you not worst? could she not worst? could we not worst? could you not worst? could they not worst?	could I not be worsting? could you not be worsting? could she not be worsting? could we not be worsting? could you not be worsting? could they not be worsting?
Perfect	V-ing perfect
could I not have worsted? could you not have worsted? could she not have worsted? could we not have worsted? could you not have worsted? could they not have worsted?	could I not have been worsting? could you not have been worsting? could she not have been worsting? could we not have been worsting? could you not have been worsting? could they not have been worsting?