must prescind
Regular verb: prescind - prescinded- prescinded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must prescind
you must prescind
he must prescind
we must prescind
you must prescind
they must prescind 	I must be prescinding
you must be prescinding
he must be prescinding
we must be prescinding
you must be prescinding
they must be prescinding	I must have prescinded
you must have prescinded
he must have prescinded
we must have prescinded
you must have prescinded
they must have prescinded	I must have been prescinding
you must have been prescinding
he must have been prescinding
we must have been prescinding
you must have been prescinding
they must have been prescinding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not prescind
you must not prescind
he must not prescind
we must not prescind
you must not prescind
they must not prescind 	I must not be prescinding
you must not be prescinding
he must not be prescinding
we must not be prescinding
you must not be prescinding
they must not be prescinding	I must not have prescinded
you must not have prescinded
he must not have prescinded
we must not have prescinded
you must not have prescinded
they must not have prescinded	I must not have been prescinding
you must not have been prescinding
he must not have been prescinding
we must not have been prescinding
you must not have been prescinding
they must not have been prescinding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I prescind?
must you prescind?
must he prescind?
must we prescind?
must you prescind?
must they prescind? 	must I be prescinding?
must you be prescinding?
must he be prescinding?
must we be prescinding?
must you be prescinding?
must they be prescinding? 	must I have prescinded?
must you have prescinded?
must he have prescinded?
must we have prescinded?
must you have prescinded?
must they have prescinded? 	must I have been prescinding?
must you have been prescinding?
must he have been prescinding?
must we have been prescinding?
must you have been prescinding?
must they have been prescinding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not prescind?
must you not prescind?
must he not prescind?
must we not prescind?
must you not prescind?
must they not prescind? 	must I not be prescinding?
must you not be prescinding?
must he not be prescinding?
must we not be prescinding?
must you not be prescinding?
must they not be prescinding? 	must I not have prescinded?
must you not have prescinded?
must he not have prescinded?
must we not have prescinded?
must you not have prescinded?
must they not have prescinded? 	must I not have been prescinding?
must you not have been prescinding?
must he not have been prescinding?
must we not have been prescinding?
must you not have been prescinding?
must they not have been prescinding?