must plagiarize
Regular verb: plagiarize - plagiarized- plagiarized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must plagiarize
you must plagiarize
she must plagiarize
we must plagiarize
you must plagiarize
they must plagiarize 	I must be plagiarizing
you must be plagiarizing
she must be plagiarizing
we must be plagiarizing
you must be plagiarizing
they must be plagiarizing	I must have plagiarized
you must have plagiarized
she must have plagiarized
we must have plagiarized
you must have plagiarized
they must have plagiarized	I must have been plagiarizing
you must have been plagiarizing
she must have been plagiarizing
we must have been plagiarizing
you must have been plagiarizing
they must have been plagiarizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't plagiarize
you mustn't plagiarize
she mustn't plagiarize
we mustn't plagiarize
you mustn't plagiarize
they mustn't plagiarize 	I mustn't be plagiarizing
you mustn't be plagiarizing
she mustn't be plagiarizing
we mustn't be plagiarizing
you mustn't be plagiarizing
they mustn't be plagiarizing	I mustn't have plagiarized
you mustn't have plagiarized
she mustn't have plagiarized
we mustn't have plagiarized
you mustn't have plagiarized
they mustn't have plagiarized	I mustn't have been plagiarizing
you mustn't have been plagiarizing
she mustn't have been plagiarizing
we mustn't have been plagiarizing
you mustn't have been plagiarizing
they mustn't have been plagiarizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I plagiarize?
must you plagiarize?
must she plagiarize?
must we plagiarize?
must you plagiarize?
must they plagiarize? 	must I be plagiarizing?
must you be plagiarizing?
must she be plagiarizing?
must we be plagiarizing?
must you be plagiarizing?
must they be plagiarizing? 	must I have plagiarized?
must you have plagiarized?
must she have plagiarized?
must we have plagiarized?
must you have plagiarized?
must they have plagiarized? 	must I have been plagiarizing?
must you have been plagiarizing?
must she have been plagiarizing?
must we have been plagiarizing?
must you have been plagiarizing?
must they have been plagiarizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I plagiarize?
mustn't you plagiarize?
mustn't she plagiarize?
mustn't we plagiarize?
mustn't you plagiarize?
mustn't they plagiarize? 	mustn't I be plagiarizing?
mustn't you be plagiarizing?
mustn't she be plagiarizing?
mustn't we be plagiarizing?
mustn't you be plagiarizing?
mustn't they be plagiarizing? 	mustn't I have plagiarized?
mustn't you have plagiarized?
mustn't she have plagiarized?
mustn't we have plagiarized?
mustn't you have plagiarized?
mustn't they have plagiarized? 	mustn't I have been plagiarizing?
mustn't you have been plagiarizing?
mustn't she have been plagiarizing?
mustn't we have been plagiarizing?
mustn't you have been plagiarizing?
mustn't they have been plagiarizing?