English verb conjugation
MUST CAB

Regular verb: cab - cabed - cabed

Affirmation

Simple form	V-ing form
I must cab you must cab she must cab we must cab you must cab they must cab	I must be cabing you must be cabing she must be cabing we must be cabing you must be cabing they must be cabing
Perfect	V-ing perfect
I must have cabed you must have cabed she must have cabed we must have cabed you must have cabed they must have cabed	I must have been cabing you must have been cabing she must have been cabing we must have been cabing you must have been cabing they must have been cabing

Negation

Simple form	V-ing form
I must not cab you must not cab she must not cab we must not cab you must not cab they must not cab	I must not be cabing you must not be cabing she must not be cabing we must not be cabing you must not be cabing they must not be cabing
Perfect	V-ing perfect
I must not have cabed you must not have cabed she must not have cabed we must not have cabed you must not have cabed they must not have cabed	I must not have been cabing you must not have been cabing she must not have been cabing we must not have been cabing you must not have been cabing they must not have been cabing

Interrogative form

Simple form	V-ing form
must I cab? must you cab? must she cab? must we cab? must you cab? must they cab?	must I be cabing? must you be cabing? must she be cabing? must we be cabing? must you be cabing? must they be cabing?
Perfect	V-ing perfect
must I have cabed? must you have cabed? must she have cabed? must we have cabed? must you have cabed? must they have cabed?	must I have been cabing? must you have been cabing? must she have been cabing? must we have been cabing? must you have been cabing? must they have been cabing?

Interro-negative form

Simple form	V-ing form
must I not cab? must you not cab? must she not cab? must we not cab? must you not cab? must they not cab?	must I not be cabing? must you not be cabing? must she not be cabing? must we not be cabing? must you not be cabing? must they not be cabing?
Perfect	V-ing perfect
must I not have cabed? must you not have cabed? must she not have cabed? must we not have cabed? must you not have cabed? must they not have cabed?	must I not have been cabing? must you not have been cabing? must she not have been cabing? must we not have been cabing? must you not have been cabing? must they not have been cabing?