English verb conjugation
CAN CHUM

Regular verb: chum - chummed - chummed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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