must fiddle
Regular verb: fiddle - fiddled- fiddled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fiddle
you must fiddle
he must fiddle
we must fiddle
you must fiddle
they must fiddle 	I must be fiddling
you must be fiddling
he must be fiddling
we must be fiddling
you must be fiddling
they must be fiddling	I must have fiddled
you must have fiddled
he must have fiddled
we must have fiddled
you must have fiddled
they must have fiddled	I must have been fiddling
you must have been fiddling
he must have been fiddling
we must have been fiddling
you must have been fiddling
they must have been fiddling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not fiddle
you must not fiddle
he must not fiddle
we must not fiddle
you must not fiddle
they must not fiddle 	I must not be fiddling
you must not be fiddling
he must not be fiddling
we must not be fiddling
you must not be fiddling
they must not be fiddling	I must not have fiddled
you must not have fiddled
he must not have fiddled
we must not have fiddled
you must not have fiddled
they must not have fiddled	I must not have been fiddling
you must not have been fiddling
he must not have been fiddling
we must not have been fiddling
you must not have been fiddling
they must not have been fiddling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fiddle?
must you fiddle?
must he fiddle?
must we fiddle?
must you fiddle?
must they fiddle? 	must I be fiddling?
must you be fiddling?
must he be fiddling?
must we be fiddling?
must you be fiddling?
must they be fiddling? 	must I have fiddled?
must you have fiddled?
must he have fiddled?
must we have fiddled?
must you have fiddled?
must they have fiddled? 	must I have been fiddling?
must you have been fiddling?
must he have been fiddling?
must we have been fiddling?
must you have been fiddling?
must they have been fiddling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not fiddle?
must you not fiddle?
must he not fiddle?
must we not fiddle?
must you not fiddle?
must they not fiddle? 	must I not be fiddling?
must you not be fiddling?
must he not be fiddling?
must we not be fiddling?
must you not be fiddling?
must they not be fiddling? 	must I not have fiddled?
must you not have fiddled?
must he not have fiddled?
must we not have fiddled?
must you not have fiddled?
must they not have fiddled? 	must I not have been fiddling?
must you not have been fiddling?
must he not have been fiddling?
must we not have been fiddling?
must you not have been fiddling?
must they not have been fiddling?