ought to tomb
Regular verb: tomb - tombed- tombed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to tomb
you ought to tomb
she ought to tomb
we ought to tomb
you ought to tomb
they ought to tomb 	I ought to be tombing
you ought to be tombing
she ought to be tombing
we ought to be tombing
you ought to be tombing
they ought to be tombing	I ought to have tombed
you ought to have tombed
she ought to have tombed
we ought to have tombed
you ought to have tombed
they ought to have tombed	I ought to have been tombing
you ought to have been tombing
she ought to have been tombing
we ought to have been tombing
you ought to have been tombing
they ought to have been tombing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to tomb
you ought not to tomb
she ought not to tomb
we ought not to tomb
you ought not to tomb
they ought not to tomb 	I ought not to tombing
you ought not to tombing
she ought not to tombing
we ought not to tombing
you ought not to tombing
they ought not to tombing	I ought not to have tombed
you ought not to have tombed
she ought not to have tombed
we ought not to have tombed
you ought not to have tombed
they ought not to have tombed	I ought not to have been tombing
you ought not to have been tombing
she ought not to have been tombing
we ought not to have been tombing
you ought not to have been tombing
they ought not to have been tombing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I tomb?
ought to you tomb?
ought to she tomb?
ought to we tomb?
ought to you tomb?
ought to they tomb? 	ought to I be tombing?
ought to you be tombing?
ought to she be tombing?
ought to we be tombing?
ought to you be tombing?
ought to they be tombing? 	ought to I have tombed?
ought to you have tombed?
ought to she have tombed?
ought to we have tombed?
ought to you have tombed?
ought to they have tombed? 	ought to I have been tombing?
ought to you have been tombing?
ought to she have been tombing?
ought to we have been tombing?
ought to you have been tombing?
ought to they have been tombing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to tomb?
ought you not to tomb?
ought she not to tomb?
ought we not to tomb?
ought you not to tomb?
ought they not to tomb? 	ought I not to be tombing?
ought you not to be tombing?
ought she not to be tombing?
ought we not to be tombing?
ought you not to be tombing?
ought they not to be tombing? 	ought I not to have tombed?
ought you not to have tombed?
ought she not to have tombed?
ought we not to have tombed?
ought you not to have tombed?
ought they not to have tombed? 	ought I not to have been tombing?
ought you not to have been tombing?
ought she not to have been tombing?
ought we not to have been tombing?
ought you not to have been tombing?
ought they not to have been tombing?