must worm
Regular verb: worm - wormed- wormed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must worm
you must worm
she must worm
we must worm
you must worm
they must worm 	I must be worming
you must be worming
she must be worming
we must be worming
you must be worming
they must be worming	I must have wormed
you must have wormed
she must have wormed
we must have wormed
you must have wormed
they must have wormed	I must have been worming
you must have been worming
she must have been worming
we must have been worming
you must have been worming
they must have been worming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not worm
you must not worm
she must not worm
we must not worm
you must not worm
they must not worm 	I must not be worming
you must not be worming
she must not be worming
we must not be worming
you must not be worming
they must not be worming	I must not have wormed
you must not have wormed
she must not have wormed
we must not have wormed
you must not have wormed
they must not have wormed	I must not have been worming
you must not have been worming
she must not have been worming
we must not have been worming
you must not have been worming
they must not have been worming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I worm?
must you worm?
must she worm?
must we worm?
must you worm?
must they worm? 	must I be worming?
must you be worming?
must she be worming?
must we be worming?
must you be worming?
must they be worming? 	must I have wormed?
must you have wormed?
must she have wormed?
must we have wormed?
must you have wormed?
must they have wormed? 	must I have been worming?
must you have been worming?
must she have been worming?
must we have been worming?
must you have been worming?
must they have been worming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not worm?
must you not worm?
must she not worm?
must we not worm?
must you not worm?
must they not worm? 	must I not be worming?
must you not be worming?
must she not be worming?
must we not be worming?
must you not be worming?
must they not be worming? 	must I not have wormed?
must you not have wormed?
must she not have wormed?
must we not have wormed?
must you not have wormed?
must they not have wormed? 	must I not have been worming?
must you not have been worming?
must she not have been worming?
must we not have been worming?
must you not have been worming?
must they not have been worming?