English verb conjugation
MUST HIGHTAIL

Regular verb: hightail - hightailed - hightailed

Affirmation

Simple form	V-ing form
I must hightail you must hightail he must hightail we must hightail you must hightail they must hightail	I must be hightailing you must be hightailing he must be hightailing we must be hightailing you must be hightailing they must be hightailing
Perfect	V-ing perfect
I must have hightailed you must have hightailed he must have hightailed we must have hightailed you must have hightailed they must have hightailed	I must have been hightailing you must have been hightailing he must have been hightailing we must have been hightailing you must have been hightailing they must have been hightailing

Negation

Simple form	V-ing form
I must not hightail you must not hightail he must not hightail we must not hightail you must not hightail they must not hightail	I must not be hightailing you must not be hightailing he must not be hightailing we must not be hightailing you must not be hightailing they must not be hightailing
Perfect	V-ing perfect
I must not have hightailed you must not have hightailed he must not have hightailed we must not have hightailed you must not have hightailed they must not have hightailed	I must not have been hightailing you must not have been hightailing he must not have been hightailing we must not have been hightailing you must not have been hightailing they must not have been hightailing

Interrogative form

Simple form	V-ing form
must I hightail? must you hightail? must he hightail? must we hightail? must you hightail? must they hightail?	must I be hightailing? must you be hightailing? must he be hightailing? must we be hightailing? must you be hightailing? must they be hightailing?
Perfect	V-ing perfect
must I have hightailed? must you have hightailed? must he have hightailed? must we have hightailed? must you have hightailed? must they have hightailed?	must I have been hightailing? must you have been hightailing? must he have been hightailing? must we have been hightailing? must you have been hightailing? must they have been hightailing?

Interro-negative form

Simple form	V-ing form
must I not hightail? must you not hightail? must he not hightail? must we not hightail? must you not hightail? must they not hightail?	must I not be hightailing? must you not be hightailing? must he not be hightailing? must we not be hightailing? must you not be hightailing? must they not be hightailing?
Perfect	V-ing perfect
must I not have hightailed? must you not have hightailed? must he not have hightailed? must we not have hightailed? must you not have hightailed? must they not have hightailed?	must I not have been hightailing? must you not have been hightailing? must he not have been hightailing? must we not have been hightailing? must you not have been hightailing? must they not have been hightailing?