English verb conjugation
MUST PIDDLE

Regular verb: piddle - piddled - piddled

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?