must piddle
Regular verb: piddle - piddled- piddled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must piddle
you must piddle
she must piddle
we must piddle
you must piddle
they must piddle 	I must be piddling
you must be piddling
she must be piddling
we must be piddling
you must be piddling
they must be piddling	I must have piddled
you must have piddled
she must have piddled
we must have piddled
you must have piddled
they must have piddled	I must have been piddling
you must have been piddling
she must have been piddling
we must have been piddling
you must have been piddling
they must have been piddling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't piddle
you mustn't piddle
she mustn't piddle
we mustn't piddle
you mustn't piddle
they mustn't piddle 	I mustn't be piddling
you mustn't be piddling
she mustn't be piddling
we mustn't be piddling
you mustn't be piddling
they mustn't be piddling	I mustn't have piddled
you mustn't have piddled
she mustn't have piddled
we mustn't have piddled
you mustn't have piddled
they mustn't have piddled	I mustn't have been piddling
you mustn't have been piddling
she mustn't have been piddling
we mustn't have been piddling
you mustn't have been piddling
they mustn't have been piddling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I piddle?
must you piddle?
must she piddle?
must we piddle?
must you piddle?
must they piddle? 	must I be piddling?
must you be piddling?
must she be piddling?
must we be piddling?
must you be piddling?
must they be piddling? 	must I have piddled?
must you have piddled?
must she have piddled?
must we have piddled?
must you have piddled?
must they have piddled? 	must I have been piddling?
must you have been piddling?
must she have been piddling?
must we have been piddling?
must you have been piddling?
must they have been piddling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I piddle?
mustn't you piddle?
mustn't she piddle?
mustn't we piddle?
mustn't you piddle?
mustn't they piddle? 	mustn't I be piddling?
mustn't you be piddling?
mustn't she be piddling?
mustn't we be piddling?
mustn't you be piddling?
mustn't they be piddling? 	mustn't I have piddled?
mustn't you have piddled?
mustn't she have piddled?
mustn't we have piddled?
mustn't you have piddled?
mustn't they have piddled? 	mustn't I have been piddling?
mustn't you have been piddling?
mustn't she have been piddling?
mustn't we have been piddling?
mustn't you have been piddling?
mustn't they have been piddling?