Regular verb: date ahead - date aheaded - date aheaded
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must date ahead you must date ahead he must date ahead we must date ahead you must date ahead they must date ahead
V-ing form
I must be date aheading you must be date aheading he must be date aheading we must be date aheading you must be date aheading they must be date aheading
Perfect
I must have date aheaded you must have date aheaded he must have date aheaded we must have date aheaded you must have date aheaded they must have date aheaded
V-ing perfect
I must have been date aheading you must have been date aheading he must have been date aheading we must have been date aheading you must have been date aheading they must have been date aheading
Negation
Simple form
I mustn't date ahead you mustn't date ahead he mustn't date ahead we mustn't date ahead you mustn't date ahead they mustn't date ahead
V-ing form
I mustn't be date aheading you mustn't be date aheading he mustn't be date aheading we mustn't be date aheading you mustn't be date aheading they mustn't be date aheading
Perfect
I mustn't have date aheaded you mustn't have date aheaded he mustn't have date aheaded we mustn't have date aheaded you mustn't have date aheaded they mustn't have date aheaded
V-ing perfect
I mustn't have been date aheading you mustn't have been date aheading he mustn't have been date aheading we mustn't have been date aheading you mustn't have been date aheading they mustn't have been date aheading
Interrogative form
Simple form
must I date ahead? must you date ahead? must he date ahead? must we date ahead? must you date ahead? must they date ahead?
V-ing form
must I be date aheading? must you be date aheading? must he be date aheading? must we be date aheading? must you be date aheading? must they be date aheading?
Perfect
must I have date aheaded? must you have date aheaded? must he have date aheaded? must we have date aheaded? must you have date aheaded? must they have date aheaded?
V-ing perfect
must I have been date aheading? must you have been date aheading? must he have been date aheading? must we have been date aheading? must you have been date aheading? must they have been date aheading?
Interro-negative form
Simple form
mustn't I date ahead? mustn't you date ahead? mustn't he date ahead? mustn't we date ahead? mustn't you date ahead? mustn't they date ahead?
V-ing form
mustn't I be date aheading? mustn't you be date aheading? mustn't he be date aheading? mustn't we be date aheading? mustn't you be date aheading? mustn't they be date aheading?
Perfect
mustn't I have date aheaded? mustn't you have date aheaded? mustn't he have date aheaded? mustn't we have date aheaded? mustn't you have date aheaded? mustn't they have date aheaded?
V-ing perfect
mustn't I have been date aheading? mustn't you have been date aheading? mustn't he have been date aheading? mustn't we have been date aheading? mustn't you have been date aheading? mustn't they have been date aheading?