English verb conjugation
MUST SWOB

Regular verb: swob - swobed - swobed

Affirmation

Simple form	V-ing form
I must swob you must swob she must swob we must swob you must swob they must swob	I must be swobing you must be swobing she 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 she 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 she 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 must not swob you must not swob she must not swob we must not swob you must not swob they must not swob	I must not be swobing you must not be swobing she must not be swobing we must not be swobing you must not be swobing they must not be swobing
Perfect	V-ing perfect
I must not have swobed you must not have swobed she must not have swobed we must not have swobed you must not have swobed they must not have swobed	I must not have been swobing you must not have been swobing she must not have been swobing we must not have been swobing you must not have been swobing they must not have been swobing

Interrogative form

Simple form	V-ing form
must I swob? must you swob? must she swob? must we swob? must you swob? must they swob?	must I be swobing? must you be swobing? must she 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 she 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 she 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
must I not swob? must you not swob? must she not swob? must we not swob? must you not swob? must they not swob?	must I not be swobing? must you not be swobing? must she not be swobing? must we not be swobing? must you not be swobing? must they not be swobing?
Perfect	V-ing perfect
must I not have swobed? must you not have swobed? must she not have swobed? must we not have swobed? must you not have swobed? must they not have swobed?	must I not have been swobing? must you not have been swobing? must she not have been swobing? must we not have been swobing? must you not have been swobing? must they not have been swobing?