English verb conjugation
MUST TWADDLE

Regular verb: twaddle - twaddled - twaddled

Affirmation

Simple form	V-ing form
I must twaddle you must twaddle he must twaddle we must twaddle you must twaddle they must twaddle	I must be twaddling you must be twaddling he must be twaddling we must be twaddling you must be twaddling they must be twaddling
Perfect	V-ing perfect
I must have twaddled you must have twaddled he must have twaddled we must have twaddled you must have twaddled they must have twaddled	I must have been twaddling you must have been twaddling he must have been twaddling we must have been twaddling you must have been twaddling they must have been twaddling

Negation

Simple form	V-ing form
I mustn't twaddle you mustn't twaddle he mustn't twaddle we mustn't twaddle you mustn't twaddle they mustn't twaddle	I mustn't be twaddling you mustn't be twaddling he mustn't be twaddling we mustn't be twaddling you mustn't be twaddling they mustn't be twaddling
Perfect	V-ing perfect
I mustn't have twaddled you mustn't have twaddled he mustn't have twaddled we mustn't have twaddled you mustn't have twaddled they mustn't have twaddled	I mustn't have been twaddling you mustn't have been twaddling he mustn't have been twaddling we mustn't have been twaddling you mustn't have been twaddling they mustn't have been twaddling

Interrogative form

Simple form	V-ing form
must I twaddle? must you twaddle? must he twaddle? must we twaddle? must you twaddle? must they twaddle?	must I be twaddling? must you be twaddling? must he be twaddling? must we be twaddling? must you be twaddling? must they be twaddling?
Perfect	V-ing perfect
must I have twaddled? must you have twaddled? must he have twaddled? must we have twaddled? must you have twaddled? must they have twaddled?	must I have been twaddling? must you have been twaddling? must he have been twaddling? must we have been twaddling? must you have been twaddling? must they have been twaddling?

Interro-negative form

Simple form	V-ing form
mustn't I twaddle? mustn't you twaddle? mustn't he twaddle? mustn't we twaddle? mustn't you twaddle? mustn't they twaddle?	mustn't I be twaddling? mustn't you be twaddling? mustn't he be twaddling? mustn't we be twaddling? mustn't you be twaddling? mustn't they be twaddling?
Perfect	V-ing perfect
mustn't I have twaddled? mustn't you have twaddled? mustn't he have twaddled? mustn't we have twaddled? mustn't you have twaddled? mustn't they have twaddled?	mustn't I have been twaddling? mustn't you have been twaddling? mustn't he have been twaddling? mustn't we have been twaddling? mustn't you have been twaddling? mustn't they have been twaddling?