must tucker
Regular verb: tucker - tuckered- tuckered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must tucker
you must tucker
she must tucker
we must tucker
you must tucker
they must tucker 	I must be tuckering
you must be tuckering
she must be tuckering
we must be tuckering
you must be tuckering
they must be tuckering	I must have tuckered
you must have tuckered
she must have tuckered
we must have tuckered
you must have tuckered
they must have tuckered	I must have been tuckering
you must have been tuckering
she must have been tuckering
we must have been tuckering
you must have been tuckering
they must have been tuckering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not tucker
you must not tucker
she must not tucker
we must not tucker
you must not tucker
they must not tucker 	I must not be tuckering
you must not be tuckering
she must not be tuckering
we must not be tuckering
you must not be tuckering
they must not be tuckering	I must not have tuckered
you must not have tuckered
she must not have tuckered
we must not have tuckered
you must not have tuckered
they must not have tuckered	I must not have been tuckering
you must not have been tuckering
she must not have been tuckering
we must not have been tuckering
you must not have been tuckering
they must not have been tuckering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I tucker?
must you tucker?
must she tucker?
must we tucker?
must you tucker?
must they tucker? 	must I be tuckering?
must you be tuckering?
must she be tuckering?
must we be tuckering?
must you be tuckering?
must they be tuckering? 	must I have tuckered?
must you have tuckered?
must she have tuckered?
must we have tuckered?
must you have tuckered?
must they have tuckered? 	must I have been tuckering?
must you have been tuckering?
must she have been tuckering?
must we have been tuckering?
must you have been tuckering?
must they have been tuckering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not tucker?
must you not tucker?
must she not tucker?
must we not tucker?
must you not tucker?
must they not tucker? 	must I not be tuckering?
must you not be tuckering?
must she not be tuckering?
must we not be tuckering?
must you not be tuckering?
must they not be tuckering? 	must I not have tuckered?
must you not have tuckered?
must she not have tuckered?
must we not have tuckered?
must you not have tuckered?
must they not have tuckered? 	must I not have been tuckering?
must you not have been tuckering?
must she not have been tuckering?
must we not have been tuckering?
must you not have been tuckering?
must they not have been tuckering?