must obliterate
Regular verb: obliterate - obliterated- obliterated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must obliterate
you must obliterate
he must obliterate
we must obliterate
you must obliterate
they must obliterate 	I must be obliterating
you must be obliterating
he must be obliterating
we must be obliterating
you must be obliterating
they must be obliterating	I must have obliterated
you must have obliterated
he must have obliterated
we must have obliterated
you must have obliterated
they must have obliterated	I must have been obliterating
you must have been obliterating
he must have been obliterating
we must have been obliterating
you must have been obliterating
they must have been obliterating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't obliterate
you mustn't obliterate
he mustn't obliterate
we mustn't obliterate
you mustn't obliterate
they mustn't obliterate 	I mustn't be obliterating
you mustn't be obliterating
he mustn't be obliterating
we mustn't be obliterating
you mustn't be obliterating
they mustn't be obliterating	I mustn't have obliterated
you mustn't have obliterated
he mustn't have obliterated
we mustn't have obliterated
you mustn't have obliterated
they mustn't have obliterated	I mustn't have been obliterating
you mustn't have been obliterating
he mustn't have been obliterating
we mustn't have been obliterating
you mustn't have been obliterating
they mustn't have been obliterating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I obliterate?
must you obliterate?
must he obliterate?
must we obliterate?
must you obliterate?
must they obliterate? 	must I be obliterating?
must you be obliterating?
must he be obliterating?
must we be obliterating?
must you be obliterating?
must they be obliterating? 	must I have obliterated?
must you have obliterated?
must he have obliterated?
must we have obliterated?
must you have obliterated?
must they have obliterated? 	must I have been obliterating?
must you have been obliterating?
must he have been obliterating?
must we have been obliterating?
must you have been obliterating?
must they have been obliterating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I obliterate?
mustn't you obliterate?
mustn't he obliterate?
mustn't we obliterate?
mustn't you obliterate?
mustn't they obliterate? 	mustn't I be obliterating?
mustn't you be obliterating?
mustn't he be obliterating?
mustn't we be obliterating?
mustn't you be obliterating?
mustn't they be obliterating? 	mustn't I have obliterated?
mustn't you have obliterated?
mustn't he have obliterated?
mustn't we have obliterated?
mustn't you have obliterated?
mustn't they have obliterated? 	mustn't I have been obliterating?
mustn't you have been obliterating?
mustn't he have been obliterating?
mustn't we have been obliterating?
mustn't you have been obliterating?
mustn't they have been obliterating?