must undershoot
Irregular verb: undershoot - undershot- undershot

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must undershoot
you must undershoot
she must undershoot
we must undershoot
you must undershoot
they must undershoot 	I must be undershooting
you must be undershooting
she must be undershooting
we must be undershooting
you must be undershooting
they must be undershooting	I must have undershot
you must have undershot
she must have undershot
we must have undershot
you must have undershot
they must have undershot	I must have been undershooting
you must have been undershooting
she must have been undershooting
we must have been undershooting
you must have been undershooting
they must have been undershooting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't undershoot
you mustn't undershoot
she mustn't undershoot
we mustn't undershoot
you mustn't undershoot
they mustn't undershoot 	I mustn't be undershooting
you mustn't be undershooting
she mustn't be undershooting
we mustn't be undershooting
you mustn't be undershooting
they mustn't be undershooting	I mustn't have undershot
you mustn't have undershot
she mustn't have undershot
we mustn't have undershot
you mustn't have undershot
they mustn't have undershot	I mustn't have been undershooting
you mustn't have been undershooting
she mustn't have been undershooting
we mustn't have been undershooting
you mustn't have been undershooting
they mustn't have been undershooting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I undershoot?
must you undershoot?
must she undershoot?
must we undershoot?
must you undershoot?
must they undershoot? 	must I be undershooting?
must you be undershooting?
must she be undershooting?
must we be undershooting?
must you be undershooting?
must they be undershooting? 	must I have undershot?
must you have undershot?
must she have undershot?
must we have undershot?
must you have undershot?
must they have undershot? 	must I have been undershooting?
must you have been undershooting?
must she have been undershooting?
must we have been undershooting?
must you have been undershooting?
must they have been undershooting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I undershoot?
mustn't you undershoot?
mustn't she undershoot?
mustn't we undershoot?
mustn't you undershoot?
mustn't they undershoot? 	mustn't I be undershooting?
mustn't you be undershooting?
mustn't she be undershooting?
mustn't we be undershooting?
mustn't you be undershooting?
mustn't they be undershooting? 	mustn't I have undershot?
mustn't you have undershot?
mustn't she have undershot?
mustn't we have undershot?
mustn't you have undershot?
mustn't they have undershot? 	mustn't I have been undershooting?
mustn't you have been undershooting?
mustn't she have been undershooting?
mustn't we have been undershooting?
mustn't you have been undershooting?
mustn't they have been undershooting?