must skimp
Regular verb: skimp - skimped- skimped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must skimp
you must skimp
she must skimp
we must skimp
you must skimp
they must skimp 	I must be skimping
you must be skimping
she must be skimping
we must be skimping
you must be skimping
they must be skimping	I must have skimped
you must have skimped
she must have skimped
we must have skimped
you must have skimped
they must have skimped	I must have been skimping
you must have been skimping
she must have been skimping
we must have been skimping
you must have been skimping
they must have been skimping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not skimp
you must not skimp
she must not skimp
we must not skimp
you must not skimp
they must not skimp 	I must not be skimping
you must not be skimping
she must not be skimping
we must not be skimping
you must not be skimping
they must not be skimping	I must not have skimped
you must not have skimped
she must not have skimped
we must not have skimped
you must not have skimped
they must not have skimped	I must not have been skimping
you must not have been skimping
she must not have been skimping
we must not have been skimping
you must not have been skimping
they must not have been skimping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I skimp?
must you skimp?
must she skimp?
must we skimp?
must you skimp?
must they skimp? 	must I be skimping?
must you be skimping?
must she be skimping?
must we be skimping?
must you be skimping?
must they be skimping? 	must I have skimped?
must you have skimped?
must she have skimped?
must we have skimped?
must you have skimped?
must they have skimped? 	must I have been skimping?
must you have been skimping?
must she have been skimping?
must we have been skimping?
must you have been skimping?
must they have been skimping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not skimp?
must you not skimp?
must she not skimp?
must we not skimp?
must you not skimp?
must they not skimp? 	must I not be skimping?
must you not be skimping?
must she not be skimping?
must we not be skimping?
must you not be skimping?
must they not be skimping? 	must I not have skimped?
must you not have skimped?
must she not have skimped?
must we not have skimped?
must you not have skimped?
must they not have skimped? 	must I not have been skimping?
must you not have been skimping?
must she not have been skimping?
must we not have been skimping?
must you not have been skimping?
must they not have been skimping?