English verb conjugation
COULD CHUM

Regular verb: chum - chummed - chummed

Affirmation

Simple form	V-ing form
I could chum you could chum he could chum we could chum you could chum they could chum	I could be chumming you could be chumming he could be chumming we could be chumming you could be chumming they could be chumming
Perfect	V-ing perfect
I could have chummed you could have chummed he could have chummed we could have chummed you could have chummed they could have chummed	I could have been chumming you could have been chumming he could have been chumming we could have been chumming you could have been chumming they could have been chumming

Negation

Simple form	V-ing form
I couldn't chum you couldn't chum he couldn't chum we couldn't chum you couldn't chum they couldn't chum	I couldn't be chumming you couldn't be chumming he couldn't be chumming we couldn't be chumming you couldn't be chumming they couldn't be chumming
Perfect	V-ing perfect
I couldn't have chummed you couldn't have chummed he couldn't have chummed we couldn't have chummed you couldn't have chummed they couldn't have chummed	I couldn't have been chumming you couldn't have been chumming he couldn't have been chumming we couldn't have been chumming you couldn't have been chumming they couldn't have been chumming

Interrogative form

Simple form	V-ing form
could I chum? could you chum? could he chum? could we chum? could you chum? could they chum?	could I be chumming? could you be chumming? could he be chumming? could we be chumming? could you be chumming? could they be chumming?
Perfect	V-ing perfect
could I have chummed? could you have chummed? could he have chummed? could we have chummed? could you have chummed? could they have chummed?	could I have been chumming? could you have been chumming? could he have been chumming? could we have been chumming? could you have been chumming? could they have been chumming?

Interro-negative form

Simple form	V-ing form
couldn't I chum? couldn't you chum? couldn't he chum? couldn't we chum? couldn't you chum? couldn't they chum?	couldn't I be chumming? couldn't you be chumming? couldn't he be chumming? couldn't we be chumming? couldn't you be chumming? couldn't they be chumming?
Perfect	V-ing perfect
couldn't I have chummed? couldn't you have chummed? couldn't he have chummed? couldn't we have chummed? couldn't you have chummed? couldn't they have chummed?	couldn't I have been chumming? couldn't you have been chumming? couldn't he have been chumming? couldn't we have been chumming? couldn't you have been chumming? couldn't they have been chumming?