English verb conjugation
COULD WHELM

Regular verb: whelm - whelmed - whelmed

Affirmation

Simple form	V-ing form
I could whelm you could whelm he could whelm we could whelm you could whelm they could whelm	I could be whelming you could be whelming he could be whelming we could be whelming you could be whelming they could be whelming
Perfect	V-ing perfect
I could have whelmed you could have whelmed he could have whelmed we could have whelmed you could have whelmed they could have whelmed	I could have been whelming you could have been whelming he could have been whelming we could have been whelming you could have been whelming they could have been whelming

Negation

Simple form	V-ing form
I couldn't whelm you couldn't whelm he couldn't whelm we couldn't whelm you couldn't whelm they couldn't whelm	I couldn't be whelming you couldn't be whelming he couldn't be whelming we couldn't be whelming you couldn't be whelming they couldn't be whelming
Perfect	V-ing perfect
I couldn't have whelmed you couldn't have whelmed he couldn't have whelmed we couldn't have whelmed you couldn't have whelmed they couldn't have whelmed	I couldn't have been whelming you couldn't have been whelming he couldn't have been whelming we couldn't have been whelming you couldn't have been whelming they couldn't have been whelming

Interrogative form

Simple form	V-ing form
could I whelm? could you whelm? could he whelm? could we whelm? could you whelm? could they whelm?	could I be whelming? could you be whelming? could he be whelming? could we be whelming? could you be whelming? could they be whelming?
Perfect	V-ing perfect
could I have whelmed? could you have whelmed? could he have whelmed? could we have whelmed? could you have whelmed? could they have whelmed?	could I have been whelming? could you have been whelming? could he have been whelming? could we have been whelming? could you have been whelming? could they have been whelming?

Interro-negative form

Simple form	V-ing form
couldn't I whelm? couldn't you whelm? couldn't he whelm? couldn't we whelm? couldn't you whelm? couldn't they whelm?	couldn't I be whelming? couldn't you be whelming? couldn't he be whelming? couldn't we be whelming? couldn't you be whelming? couldn't they be whelming?
Perfect	V-ing perfect
couldn't I have whelmed? couldn't you have whelmed? couldn't he have whelmed? couldn't we have whelmed? couldn't you have whelmed? couldn't they have whelmed?	couldn't I have been whelming? couldn't you have been whelming? couldn't he have been whelming? couldn't we have been whelming? couldn't you have been whelming? couldn't they have been whelming?