must filch
Regular verb: filch - filched- filched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must filch
you must filch
she must filch
we must filch
you must filch
they must filch 	I must be filching
you must be filching
she must be filching
we must be filching
you must be filching
they must be filching	I must have filched
you must have filched
she must have filched
we must have filched
you must have filched
they must have filched	I must have been filching
you must have been filching
she must have been filching
we must have been filching
you must have been filching
they must have been filching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not filch
you must not filch
she must not filch
we must not filch
you must not filch
they must not filch 	I must not be filching
you must not be filching
she must not be filching
we must not be filching
you must not be filching
they must not be filching	I must not have filched
you must not have filched
she must not have filched
we must not have filched
you must not have filched
they must not have filched	I must not have been filching
you must not have been filching
she must not have been filching
we must not have been filching
you must not have been filching
they must not have been filching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I filch?
must you filch?
must she filch?
must we filch?
must you filch?
must they filch? 	must I be filching?
must you be filching?
must she be filching?
must we be filching?
must you be filching?
must they be filching? 	must I have filched?
must you have filched?
must she have filched?
must we have filched?
must you have filched?
must they have filched? 	must I have been filching?
must you have been filching?
must she have been filching?
must we have been filching?
must you have been filching?
must they have been filching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not filch?
must you not filch?
must she not filch?
must we not filch?
must you not filch?
must they not filch? 	must I not be filching?
must you not be filching?
must she not be filching?
must we not be filching?
must you not be filching?
must they not be filching? 	must I not have filched?
must you not have filched?
must she not have filched?
must we not have filched?
must you not have filched?
must they not have filched? 	must I not have been filching?
must you not have been filching?
must she not have been filching?
must we not have been filching?
must you not have been filching?
must they not have been filching?