must detick
Regular verb: detick - deticked- deticked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must detick
you must detick
he must detick
we must detick
you must detick
they must detick 	I must be deticking
you must be deticking
he must be deticking
we must be deticking
you must be deticking
they must be deticking	I must have deticked
you must have deticked
he must have deticked
we must have deticked
you must have deticked
they must have deticked	I must have been deticking
you must have been deticking
he must have been deticking
we must have been deticking
you must have been deticking
they must have been deticking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't detick
you mustn't detick
he mustn't detick
we mustn't detick
you mustn't detick
they mustn't detick 	I mustn't be deticking
you mustn't be deticking
he mustn't be deticking
we mustn't be deticking
you mustn't be deticking
they mustn't be deticking	I mustn't have deticked
you mustn't have deticked
he mustn't have deticked
we mustn't have deticked
you mustn't have deticked
they mustn't have deticked	I mustn't have been deticking
you mustn't have been deticking
he mustn't have been deticking
we mustn't have been deticking
you mustn't have been deticking
they mustn't have been deticking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I detick?
must you detick?
must he detick?
must we detick?
must you detick?
must they detick? 	must I be deticking?
must you be deticking?
must he be deticking?
must we be deticking?
must you be deticking?
must they be deticking? 	must I have deticked?
must you have deticked?
must he have deticked?
must we have deticked?
must you have deticked?
must they have deticked? 	must I have been deticking?
must you have been deticking?
must he have been deticking?
must we have been deticking?
must you have been deticking?
must they have been deticking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I detick?
mustn't you detick?
mustn't he detick?
mustn't we detick?
mustn't you detick?
mustn't they detick? 	mustn't I be deticking?
mustn't you be deticking?
mustn't he be deticking?
mustn't we be deticking?
mustn't you be deticking?
mustn't they be deticking? 	mustn't I have deticked?
mustn't you have deticked?
mustn't he have deticked?
mustn't we have deticked?
mustn't you have deticked?
mustn't they have deticked? 	mustn't I have been deticking?
mustn't you have been deticking?
mustn't he have been deticking?
mustn't we have been deticking?
mustn't you have been deticking?
mustn't they have been deticking?