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 must not twaddle you must not twaddle he must not twaddle we must not twaddle you must not twaddle they must not twaddle	I must not be twaddling you must not be twaddling he must not be twaddling we must not be twaddling you must not be twaddling they must not be twaddling
Perfect	V-ing perfect
I must not have twaddled you must not have twaddled he must not have twaddled we must not have twaddled you must not have twaddled they must not have twaddled	I must not have been twaddling you must not have been twaddling he must not have been twaddling we must not have been twaddling you must not have been twaddling they must not 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
must I not twaddle? must you not twaddle? must he not twaddle? must we not twaddle? must you not twaddle? must they not twaddle?	must I not be twaddling? must you not be twaddling? must he not be twaddling? must we not be twaddling? must you not be twaddling? must they not be twaddling?
Perfect	V-ing perfect
must I not have twaddled? must you not have twaddled? must he not have twaddled? must we not have twaddled? must you not have twaddled? must they not have twaddled?	must I not have been twaddling? must you not have been twaddling? must he not have been twaddling? must we not have been twaddling? must you not have been twaddling? must they not have been twaddling?