ought to chum
Regular verb: chum - chummed- chummed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to chum
you ought not to chum
he ought not to chum
we ought not to chum
you ought not to chum
they ought not to chum 	I ought not to chumming
you ought not to chumming
he ought not to chumming
we ought not to chumming
you ought not to chumming
they ought not to chumming	I ought not to have chummed
you ought not to have chummed
he ought not to have chummed
we ought not to have chummed
you ought not to have chummed
they ought not to have chummed	I ought not to have been chumming
you ought not to have been chumming
he ought not to have been chumming
we ought not to have been chumming
you ought not to have been chumming
they ought not to have been chumming	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to chum?
ought you not to chum?
ought he not to chum?
ought we not to chum?
ought you not to chum?
ought they not to chum? 	ought I not to be chumming?
ought you not to be chumming?
ought he not to be chumming?
ought we not to be chumming?
ought you not to be chumming?
ought they not to be chumming? 	ought I not to have chummed?
ought you not to have chummed?
ought he not to have chummed?
ought we not to have chummed?
ought you not to have chummed?
ought they not to have chummed? 	ought I not to have been chumming?
ought you not to have been chumming?
ought he not to have been chumming?
ought we not to have been chumming?
ought you not to have been chumming?
ought they not to have been chumming?