must preadapt
Regular verb: preadapt - preadapted- preadapted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must preadapt
you must preadapt
she must preadapt
we must preadapt
you must preadapt
they must preadapt 	I must be preadapting
you must be preadapting
she must be preadapting
we must be preadapting
you must be preadapting
they must be preadapting	I must have preadapted
you must have preadapted
she must have preadapted
we must have preadapted
you must have preadapted
they must have preadapted	I must have been preadapting
you must have been preadapting
she must have been preadapting
we must have been preadapting
you must have been preadapting
they must have been preadapting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't preadapt
you mustn't preadapt
she mustn't preadapt
we mustn't preadapt
you mustn't preadapt
they mustn't preadapt 	I mustn't be preadapting
you mustn't be preadapting
she mustn't be preadapting
we mustn't be preadapting
you mustn't be preadapting
they mustn't be preadapting	I mustn't have preadapted
you mustn't have preadapted
she mustn't have preadapted
we mustn't have preadapted
you mustn't have preadapted
they mustn't have preadapted	I mustn't have been preadapting
you mustn't have been preadapting
she mustn't have been preadapting
we mustn't have been preadapting
you mustn't have been preadapting
they mustn't have been preadapting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I preadapt?
must you preadapt?
must she preadapt?
must we preadapt?
must you preadapt?
must they preadapt? 	must I be preadapting?
must you be preadapting?
must she be preadapting?
must we be preadapting?
must you be preadapting?
must they be preadapting? 	must I have preadapted?
must you have preadapted?
must she have preadapted?
must we have preadapted?
must you have preadapted?
must they have preadapted? 	must I have been preadapting?
must you have been preadapting?
must she have been preadapting?
must we have been preadapting?
must you have been preadapting?
must they have been preadapting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I preadapt?
mustn't you preadapt?
mustn't she preadapt?
mustn't we preadapt?
mustn't you preadapt?
mustn't they preadapt? 	mustn't I be preadapting?
mustn't you be preadapting?
mustn't she be preadapting?
mustn't we be preadapting?
mustn't you be preadapting?
mustn't they be preadapting? 	mustn't I have preadapted?
mustn't you have preadapted?
mustn't she have preadapted?
mustn't we have preadapted?
mustn't you have preadapted?
mustn't they have preadapted? 	mustn't I have been preadapting?
mustn't you have been preadapting?
mustn't she have been preadapting?
mustn't we have been preadapting?
mustn't you have been preadapting?
mustn't they have been preadapting?