could chum
Verbe régulier : chum - chummed- chummed

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not chum
you could not chum
he could not chum
we could not chum
you could not chum
they could not chum 	I could not be chumming
you could not be chumming
he could not be chumming
we could not be chumming
you could not be chumming
they could not be chumming	I could not have chummed
you could not have chummed
he could not have chummed
we could not have chummed
you could not have chummed
they could not have chummed	I could not have been chumming
you could not have been chumming
he could not have been chumming
we could not have been chumming
you could not have been chumming
they could not have been chumming	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not chum?
could you not chum?
could he not chum?
could we not chum?
could you not chum?
could they not chum? 	could I not be chumming?
could you not be chumming?
could he not be chumming?
could we not be chumming?
could you not be chumming?
could they not be chumming? 	could I not have chummed?
could you not have chummed?
could he not have chummed?
could we not have chummed?
could you not have chummed?
could they not have chummed? 	could I not have been chumming?
could you not have been chumming?
could he not have been chumming?
could we not have been chumming?
could you not have been chumming?
could they not have been chumming?