can chum
Verbe régulier : chum - chummed- chummed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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?