must prehandle
Regular verb: prehandle - prehandled- prehandled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must prehandle
you must prehandle
she must prehandle
we must prehandle
you must prehandle
they must prehandle 	I must be prehandling
you must be prehandling
she must be prehandling
we must be prehandling
you must be prehandling
they must be prehandling	I must have prehandled
you must have prehandled
she must have prehandled
we must have prehandled
you must have prehandled
they must have prehandled	I must have been prehandling
you must have been prehandling
she must have been prehandling
we must have been prehandling
you must have been prehandling
they must have been prehandling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not prehandle
you must not prehandle
she must not prehandle
we must not prehandle
you must not prehandle
they must not prehandle 	I must not be prehandling
you must not be prehandling
she must not be prehandling
we must not be prehandling
you must not be prehandling
they must not be prehandling	I must not have prehandled
you must not have prehandled
she must not have prehandled
we must not have prehandled
you must not have prehandled
they must not have prehandled	I must not have been prehandling
you must not have been prehandling
she must not have been prehandling
we must not have been prehandling
you must not have been prehandling
they must not have been prehandling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I prehandle?
must you prehandle?
must she prehandle?
must we prehandle?
must you prehandle?
must they prehandle? 	must I be prehandling?
must you be prehandling?
must she be prehandling?
must we be prehandling?
must you be prehandling?
must they be prehandling? 	must I have prehandled?
must you have prehandled?
must she have prehandled?
must we have prehandled?
must you have prehandled?
must they have prehandled? 	must I have been prehandling?
must you have been prehandling?
must she have been prehandling?
must we have been prehandling?
must you have been prehandling?
must they have been prehandling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not prehandle?
must you not prehandle?
must she not prehandle?
must we not prehandle?
must you not prehandle?
must they not prehandle? 	must I not be prehandling?
must you not be prehandling?
must she not be prehandling?
must we not be prehandling?
must you not be prehandling?
must they not be prehandling? 	must I not have prehandled?
must you not have prehandled?
must she not have prehandled?
must we not have prehandled?
must you not have prehandled?
must they not have prehandled? 	must I not have been prehandling?
must you not have been prehandling?
must she not have been prehandling?
must we not have been prehandling?
must you not have been prehandling?
must they not have been prehandling?