English verb conjugation
MUST DODDER

Regular verb: dodder - doddered - doddered

Affirmation

Simple form	V-ing form
I must dodder you must dodder he must dodder we must dodder you must dodder they must dodder	I must be doddering you must be doddering he must be doddering we must be doddering you must be doddering they must be doddering
Perfect	V-ing perfect
I must have doddered you must have doddered he must have doddered we must have doddered you must have doddered they must have doddered	I must have been doddering you must have been doddering he must have been doddering we must have been doddering you must have been doddering they must have been doddering

Negation

Simple form	V-ing form
I mustn't dodder you mustn't dodder he mustn't dodder we mustn't dodder you mustn't dodder they mustn't dodder	I mustn't be doddering you mustn't be doddering he mustn't be doddering we mustn't be doddering you mustn't be doddering they mustn't be doddering
Perfect	V-ing perfect
I mustn't have doddered you mustn't have doddered he mustn't have doddered we mustn't have doddered you mustn't have doddered they mustn't have doddered	I mustn't have been doddering you mustn't have been doddering he mustn't have been doddering we mustn't have been doddering you mustn't have been doddering they mustn't have been doddering

Interrogative form

Simple form	V-ing form
must I dodder? must you dodder? must he dodder? must we dodder? must you dodder? must they dodder?	must I be doddering? must you be doddering? must he be doddering? must we be doddering? must you be doddering? must they be doddering?
Perfect	V-ing perfect
must I have doddered? must you have doddered? must he have doddered? must we have doddered? must you have doddered? must they have doddered?	must I have been doddering? must you have been doddering? must he have been doddering? must we have been doddering? must you have been doddering? must they have been doddering?

Interro-negative form

Simple form	V-ing form
mustn't I dodder? mustn't you dodder? mustn't he dodder? mustn't we dodder? mustn't you dodder? mustn't they dodder?	mustn't I be doddering? mustn't you be doddering? mustn't he be doddering? mustn't we be doddering? mustn't you be doddering? mustn't they be doddering?
Perfect	V-ing perfect
mustn't I have doddered? mustn't you have doddered? mustn't he have doddered? mustn't we have doddered? mustn't you have doddered? mustn't they have doddered?	mustn't I have been doddering? mustn't you have been doddering? mustn't he have been doddering? mustn't we have been doddering? mustn't you have been doddering? mustn't they have been doddering?