English verb conjugation
MUST DIDDLE

Regular verb: diddle - diddled - diddled

Affirmation

Simple form	V-ing form
I must diddle you must diddle he must diddle we must diddle you must diddle they must diddle	I must be diddling you must be diddling he must be diddling we must be diddling you must be diddling they must be diddling
Perfect	V-ing perfect
I must have diddled you must have diddled he must have diddled we must have diddled you must have diddled they must have diddled	I must have been diddling you must have been diddling he must have been diddling we must have been diddling you must have been diddling they must have been diddling

Negation

Simple form	V-ing form
I mustn't diddle you mustn't diddle he mustn't diddle we mustn't diddle you mustn't diddle they mustn't diddle	I mustn't be diddling you mustn't be diddling he mustn't be diddling we mustn't be diddling you mustn't be diddling they mustn't be diddling
Perfect	V-ing perfect
I mustn't have diddled you mustn't have diddled he mustn't have diddled we mustn't have diddled you mustn't have diddled they mustn't have diddled	I mustn't have been diddling you mustn't have been diddling he mustn't have been diddling we mustn't have been diddling you mustn't have been diddling they mustn't have been diddling

Interrogative form

Simple form	V-ing form
must I diddle? must you diddle? must he diddle? must we diddle? must you diddle? must they diddle?	must I be diddling? must you be diddling? must he be diddling? must we be diddling? must you be diddling? must they be diddling?
Perfect	V-ing perfect
must I have diddled? must you have diddled? must he have diddled? must we have diddled? must you have diddled? must they have diddled?	must I have been diddling? must you have been diddling? must he have been diddling? must we have been diddling? must you have been diddling? must they have been diddling?

Interro-negative form

Simple form	V-ing form
mustn't I diddle? mustn't you diddle? mustn't he diddle? mustn't we diddle? mustn't you diddle? mustn't they diddle?	mustn't I be diddling? mustn't you be diddling? mustn't he be diddling? mustn't we be diddling? mustn't you be diddling? mustn't they be diddling?
Perfect	V-ing perfect
mustn't I have diddled? mustn't you have diddled? mustn't he have diddled? mustn't we have diddled? mustn't you have diddled? mustn't they have diddled?	mustn't I have been diddling? mustn't you have been diddling? mustn't he have been diddling? mustn't we have been diddling? mustn't you have been diddling? mustn't they have been diddling?