English verb conjugation
MUST SWOP

Regular verb: swop - swopped - swopped

Affirmation

Simple form	V-ing form
I must swop you must swop he must swop we must swop you must swop they must swop	I must be swopping you must be swopping he must be swopping we must be swopping you must be swopping they must be swopping
Perfect	V-ing perfect
I must have swopped you must have swopped he must have swopped we must have swopped you must have swopped they must have swopped	I must have been swopping you must have been swopping he must have been swopping we must have been swopping you must have been swopping they must have been swopping

Negation

Simple form	V-ing form
I must not swop you must not swop he must not swop we must not swop you must not swop they must not swop	I must not be swopping you must not be swopping he must not be swopping we must not be swopping you must not be swopping they must not be swopping
Perfect	V-ing perfect
I must not have swopped you must not have swopped he must not have swopped we must not have swopped you must not have swopped they must not have swopped	I must not have been swopping you must not have been swopping he must not have been swopping we must not have been swopping you must not have been swopping they must not have been swopping

Interrogative form

Simple form	V-ing form
must I swop? must you swop? must he swop? must we swop? must you swop? must they swop?	must I be swopping? must you be swopping? must he be swopping? must we be swopping? must you be swopping? must they be swopping?
Perfect	V-ing perfect
must I have swopped? must you have swopped? must he have swopped? must we have swopped? must you have swopped? must they have swopped?	must I have been swopping? must you have been swopping? must he have been swopping? must we have been swopping? must you have been swopping? must they have been swopping?

Interro-negative form

Simple form	V-ing form
must I not swop? must you not swop? must he not swop? must we not swop? must you not swop? must they not swop?	must I not be swopping? must you not be swopping? must he not be swopping? must we not be swopping? must you not be swopping? must they not be swopping?
Perfect	V-ing perfect
must I not have swopped? must you not have swopped? must he not have swopped? must we not have swopped? must you not have swopped? must they not have swopped?	must I not have been swopping? must you not have been swopping? must he not have been swopping? must we not have been swopping? must you not have been swopping? must they not have been swopping?