English verb conjugation
MUST TWADDLE

Regular verb: twaddle - twaddled - twaddled

Affirmation

Simple form	V-ing form
I must twaddle you must twaddle she must twaddle we must twaddle you must twaddle they must twaddle	I must be twaddling you must be twaddling she 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 she 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 she 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 she 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 she 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 she 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 she 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 she twaddle? must we twaddle? must you twaddle? must they twaddle?	must I be twaddling? must you be twaddling? must she 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 she 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 she 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 she 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 she 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 she 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 she have been twaddling? mustn't we have been twaddling? mustn't you have been twaddling? mustn't they have been twaddling?