English verb conjugation
MUST AHEAD

Regular verb: ahead - aheaded - aheaded

Affirmation

Simple form	V-ing form
I must ahead you must ahead he must ahead we must ahead you must ahead they must ahead	I must be aheading you must be aheading he must be aheading we must be aheading you must be aheading they must be aheading
Perfect	V-ing perfect
I must have aheaded you must have aheaded he must have aheaded we must have aheaded you must have aheaded they must have aheaded	I must have been aheading you must have been aheading he must have been aheading we must have been aheading you must have been aheading they must have been aheading

Negation

Simple form	V-ing form
I mustn't ahead you mustn't ahead he mustn't ahead we mustn't ahead you mustn't ahead they mustn't ahead	I mustn't be aheading you mustn't be aheading he mustn't be aheading we mustn't be aheading you mustn't be aheading they mustn't be aheading
Perfect	V-ing perfect
I mustn't have aheaded you mustn't have aheaded he mustn't have aheaded we mustn't have aheaded you mustn't have aheaded they mustn't have aheaded	I mustn't have been aheading you mustn't have been aheading he mustn't have been aheading we mustn't have been aheading you mustn't have been aheading they mustn't have been aheading

Interrogative form

Simple form	V-ing form
must I ahead? must you ahead? must he ahead? must we ahead? must you ahead? must they ahead?	must I be aheading? must you be aheading? must he be aheading? must we be aheading? must you be aheading? must they be aheading?
Perfect	V-ing perfect
must I have aheaded? must you have aheaded? must he have aheaded? must we have aheaded? must you have aheaded? must they have aheaded?	must I have been aheading? must you have been aheading? must he have been aheading? must we have been aheading? must you have been aheading? must they have been aheading?

Interro-negative form

Simple form	V-ing form
mustn't I ahead? mustn't you ahead? mustn't he ahead? mustn't we ahead? mustn't you ahead? mustn't they ahead?	mustn't I be aheading? mustn't you be aheading? mustn't he be aheading? mustn't we be aheading? mustn't you be aheading? mustn't they be aheading?
Perfect	V-ing perfect
mustn't I have aheaded? mustn't you have aheaded? mustn't he have aheaded? mustn't we have aheaded? mustn't you have aheaded? mustn't they have aheaded?	mustn't I have been aheading? mustn't you have been aheading? mustn't he have been aheading? mustn't we have been aheading? mustn't you have been aheading? mustn't they have been aheading?