must retake
Irregular verb: retake - retook- retaken

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must retake
you must retake
she must retake
we must retake
you must retake
they must retake 	I must be retaking
you must be retaking
she must be retaking
we must be retaking
you must be retaking
they must be retaking	I must have retaken
you must have retaken
she must have retaken
we must have retaken
you must have retaken
they must have retaken	I must have been retaking
you must have been retaking
she must have been retaking
we must have been retaking
you must have been retaking
they must have been retaking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't retake
you mustn't retake
she mustn't retake
we mustn't retake
you mustn't retake
they mustn't retake 	I mustn't be retaking
you mustn't be retaking
she mustn't be retaking
we mustn't be retaking
you mustn't be retaking
they mustn't be retaking	I mustn't have retaken
you mustn't have retaken
she mustn't have retaken
we mustn't have retaken
you mustn't have retaken
they mustn't have retaken	I mustn't have been retaking
you mustn't have been retaking
she mustn't have been retaking
we mustn't have been retaking
you mustn't have been retaking
they mustn't have been retaking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I retake?
must you retake?
must she retake?
must we retake?
must you retake?
must they retake? 	must I be retaking?
must you be retaking?
must she be retaking?
must we be retaking?
must you be retaking?
must they be retaking? 	must I have retaken?
must you have retaken?
must she have retaken?
must we have retaken?
must you have retaken?
must they have retaken? 	must I have been retaking?
must you have been retaking?
must she have been retaking?
must we have been retaking?
must you have been retaking?
must they have been retaking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I retake?
mustn't you retake?
mustn't she retake?
mustn't we retake?
mustn't you retake?
mustn't they retake? 	mustn't I be retaking?
mustn't you be retaking?
mustn't she be retaking?
mustn't we be retaking?
mustn't you be retaking?
mustn't they be retaking? 	mustn't I have retaken?
mustn't you have retaken?
mustn't she have retaken?
mustn't we have retaken?
mustn't you have retaken?
mustn't they have retaken? 	mustn't I have been retaking?
mustn't you have been retaking?
mustn't she have been retaking?
mustn't we have been retaking?
mustn't you have been retaking?
mustn't they have been retaking?