English verb conjugation
MUST RUDDLE

Regular verb: ruddle - ruddled - ruddled

Affirmation

Simple form	V-ing form
I must ruddle you must ruddle he must ruddle we must ruddle you must ruddle they must ruddle	I must be ruddling you must be ruddling he must be ruddling we must be ruddling you must be ruddling they must be ruddling
Perfect	V-ing perfect
I must have ruddled you must have ruddled he must have ruddled we must have ruddled you must have ruddled they must have ruddled	I must have been ruddling you must have been ruddling he must have been ruddling we must have been ruddling you must have been ruddling they must have been ruddling

Negation

Simple form	V-ing form
I mustn't ruddle you mustn't ruddle he mustn't ruddle we mustn't ruddle you mustn't ruddle they mustn't ruddle	I mustn't be ruddling you mustn't be ruddling he mustn't be ruddling we mustn't be ruddling you mustn't be ruddling they mustn't be ruddling
Perfect	V-ing perfect
I mustn't have ruddled you mustn't have ruddled he mustn't have ruddled we mustn't have ruddled you mustn't have ruddled they mustn't have ruddled	I mustn't have been ruddling you mustn't have been ruddling he mustn't have been ruddling we mustn't have been ruddling you mustn't have been ruddling they mustn't have been ruddling

Interrogative form

Simple form	V-ing form
must I ruddle? must you ruddle? must he ruddle? must we ruddle? must you ruddle? must they ruddle?	must I be ruddling? must you be ruddling? must he be ruddling? must we be ruddling? must you be ruddling? must they be ruddling?
Perfect	V-ing perfect
must I have ruddled? must you have ruddled? must he have ruddled? must we have ruddled? must you have ruddled? must they have ruddled?	must I have been ruddling? must you have been ruddling? must he have been ruddling? must we have been ruddling? must you have been ruddling? must they have been ruddling?

Interro-negative form

Simple form	V-ing form
mustn't I ruddle? mustn't you ruddle? mustn't he ruddle? mustn't we ruddle? mustn't you ruddle? mustn't they ruddle?	mustn't I be ruddling? mustn't you be ruddling? mustn't he be ruddling? mustn't we be ruddling? mustn't you be ruddling? mustn't they be ruddling?
Perfect	V-ing perfect
mustn't I have ruddled? mustn't you have ruddled? mustn't he have ruddled? mustn't we have ruddled? mustn't you have ruddled? mustn't they have ruddled?	mustn't I have been ruddling? mustn't you have been ruddling? mustn't he have been ruddling? mustn't we have been ruddling? mustn't you have been ruddling? mustn't they have been ruddling?