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 couldn't worst you couldn't worst she couldn't worst we couldn't worst you couldn't worst they couldn't worst	I couldn't be worsting you couldn't be worsting she couldn't be worsting we couldn't be worsting you couldn't be worsting they couldn't be worsting
Perfect	V-ing perfect
I couldn't have worsted you couldn't have worsted she couldn't have worsted we couldn't have worsted you couldn't have worsted they couldn't have worsted	I couldn't have been worsting you couldn't have been worsting she couldn't have been worsting we couldn't have been worsting you couldn't have been worsting they couldn't 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
couldn't I worst? couldn't you worst? couldn't she worst? couldn't we worst? couldn't you worst? couldn't they worst?	couldn't I be worsting? couldn't you be worsting? couldn't she be worsting? couldn't we be worsting? couldn't you be worsting? couldn't they be worsting?
Perfect	V-ing perfect
couldn't I have worsted? couldn't you have worsted? couldn't she have worsted? couldn't we have worsted? couldn't you have worsted? couldn't they have worsted?	couldn't I have been worsting? couldn't you have been worsting? couldn't she have been worsting? couldn't we have been worsting? couldn't you have been worsting? couldn't they have been worsting?