English verb conjugation
MUST GAWK

Regular verb: gawk - gawked - gawked

Affirmation

Simple form	V-ing form
I must gawk you must gawk he must gawk we must gawk you must gawk they must gawk	I must be gawking you must be gawking he must be gawking we must be gawking you must be gawking they must be gawking
Perfect	V-ing perfect
I must have gawked you must have gawked he must have gawked we must have gawked you must have gawked they must have gawked	I must have been gawking you must have been gawking he must have been gawking we must have been gawking you must have been gawking they must have been gawking

Negation

Simple form	V-ing form
I mustn't gawk you mustn't gawk he mustn't gawk we mustn't gawk you mustn't gawk they mustn't gawk	I mustn't be gawking you mustn't be gawking he mustn't be gawking we mustn't be gawking you mustn't be gawking they mustn't be gawking
Perfect	V-ing perfect
I mustn't have gawked you mustn't have gawked he mustn't have gawked we mustn't have gawked you mustn't have gawked they mustn't have gawked	I mustn't have been gawking you mustn't have been gawking he mustn't have been gawking we mustn't have been gawking you mustn't have been gawking they mustn't have been gawking

Interrogative form

Simple form	V-ing form
must I gawk? must you gawk? must he gawk? must we gawk? must you gawk? must they gawk?	must I be gawking? must you be gawking? must he be gawking? must we be gawking? must you be gawking? must they be gawking?
Perfect	V-ing perfect
must I have gawked? must you have gawked? must he have gawked? must we have gawked? must you have gawked? must they have gawked?	must I have been gawking? must you have been gawking? must he have been gawking? must we have been gawking? must you have been gawking? must they have been gawking?

Interro-negative form

Simple form	V-ing form
mustn't I gawk? mustn't you gawk? mustn't he gawk? mustn't we gawk? mustn't you gawk? mustn't they gawk?	mustn't I be gawking? mustn't you be gawking? mustn't he be gawking? mustn't we be gawking? mustn't you be gawking? mustn't they be gawking?
Perfect	V-ing perfect
mustn't I have gawked? mustn't you have gawked? mustn't he have gawked? mustn't we have gawked? mustn't you have gawked? mustn't they have gawked?	mustn't I have been gawking? mustn't you have been gawking? mustn't he have been gawking? mustn't we have been gawking? mustn't you have been gawking? mustn't they have been gawking?