English verb conjugation
MUST SWOB

Regular verb: swob - swobed - swobed

Affirmation

Simple form	V-ing form
I must swob you must swob he must swob we must swob you must swob they must swob	I must be swobing you must be swobing he must be swobing we must be swobing you must be swobing they must be swobing
Perfect	V-ing perfect
I must have swobed you must have swobed he must have swobed we must have swobed you must have swobed they must have swobed	I must have been swobing you must have been swobing he must have been swobing we must have been swobing you must have been swobing they must have been swobing

Negation

Simple form	V-ing form
I mustn't swob you mustn't swob he mustn't swob we mustn't swob you mustn't swob they mustn't swob	I mustn't be swobing you mustn't be swobing he mustn't be swobing we mustn't be swobing you mustn't be swobing they mustn't be swobing
Perfect	V-ing perfect
I mustn't have swobed you mustn't have swobed he mustn't have swobed we mustn't have swobed you mustn't have swobed they mustn't have swobed	I mustn't have been swobing you mustn't have been swobing he mustn't have been swobing we mustn't have been swobing you mustn't have been swobing they mustn't have been swobing

Interrogative form

Simple form	V-ing form
must I swob? must you swob? must he swob? must we swob? must you swob? must they swob?	must I be swobing? must you be swobing? must he be swobing? must we be swobing? must you be swobing? must they be swobing?
Perfect	V-ing perfect
must I have swobed? must you have swobed? must he have swobed? must we have swobed? must you have swobed? must they have swobed?	must I have been swobing? must you have been swobing? must he have been swobing? must we have been swobing? must you have been swobing? must they have been swobing?

Interro-negative form

Simple form	V-ing form
mustn't I swob? mustn't you swob? mustn't he swob? mustn't we swob? mustn't you swob? mustn't they swob?	mustn't I be swobing? mustn't you be swobing? mustn't he be swobing? mustn't we be swobing? mustn't you be swobing? mustn't they be swobing?
Perfect	V-ing perfect
mustn't I have swobed? mustn't you have swobed? mustn't he have swobed? mustn't we have swobed? mustn't you have swobed? mustn't they have swobed?	mustn't I have been swobing? mustn't you have been swobing? mustn't he have been swobing? mustn't we have been swobing? mustn't you have been swobing? mustn't they have been swobing?