English verb conjugation
MUST KISS

Regular verb: kiss - kissed - kissed

Affirmation

Simple form	V-ing form
I must kiss you must kiss he must kiss we must kiss you must kiss they must kiss	I must be kissing you must be kissing he must be kissing we must be kissing you must be kissing they must be kissing
Perfect	V-ing perfect
I must have kissed you must have kissed he must have kissed we must have kissed you must have kissed they must have kissed	I must have been kissing you must have been kissing he must have been kissing we must have been kissing you must have been kissing they must have been kissing

Negation

Simple form	V-ing form
I must not kiss you must not kiss he must not kiss we must not kiss you must not kiss they must not kiss	I must not be kissing you must not be kissing he must not be kissing we must not be kissing you must not be kissing they must not be kissing
Perfect	V-ing perfect
I must not have kissed you must not have kissed he must not have kissed we must not have kissed you must not have kissed they must not have kissed	I must not have been kissing you must not have been kissing he must not have been kissing we must not have been kissing you must not have been kissing they must not have been kissing

Interrogative form

Simple form	V-ing form
must I kiss? must you kiss? must he kiss? must we kiss? must you kiss? must they kiss?	must I be kissing? must you be kissing? must he be kissing? must we be kissing? must you be kissing? must they be kissing?
Perfect	V-ing perfect
must I have kissed? must you have kissed? must he have kissed? must we have kissed? must you have kissed? must they have kissed?	must I have been kissing? must you have been kissing? must he have been kissing? must we have been kissing? must you have been kissing? must they have been kissing?

Interro-negative form

Simple form	V-ing form
must I not kiss? must you not kiss? must he not kiss? must we not kiss? must you not kiss? must they not kiss?	must I not be kissing? must you not be kissing? must he not be kissing? must we not be kissing? must you not be kissing? must they not be kissing?
Perfect	V-ing perfect
must I not have kissed? must you not have kissed? must he not have kissed? must we not have kissed? must you not have kissed? must they not have kissed?	must I not have been kissing? must you not have been kissing? must he not have been kissing? must we not have been kissing? must you not have been kissing? must they not have been kissing?