may systemise
Regular verb: systemise - systemised- systemised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may systemise
you may systemise
she may systemise
we may systemise
you may systemise
they may systemise 	I may be systemising
you may be systemising
she may be systemising
we may be systemising
you may be systemising
they may be systemising	I may have systemised
you may have systemised
she may have systemised
we may have systemised
you may have systemised
they may have systemised	I may have been systemising
you may have been systemising
she may have been systemising
we may have been systemising
you may have been systemising
they may have been systemising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't systemise
you mayn't systemise
she mayn't systemise
we mayn't systemise
you mayn't systemise
they mayn't systemise 	I mayn't be systemising
you mayn't be systemising
she mayn't be systemising
we mayn't be systemising
you mayn't be systemising
they mayn't be systemising	I mayn't have systemised
you mayn't have systemised
she mayn't have systemised
we mayn't have systemised
you mayn't have systemised
they mayn't have systemised	I mayn't have been systemising
you mayn't have been systemising
she mayn't have been systemising
we mayn't have been systemising
you mayn't have been systemising
they mayn't have been systemising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I systemise?
may you systemise?
may she systemise?
may we systemise?
may you systemise?
may they systemise? 	may I be systemising?
may you be systemising?
may she be systemising?
may we be systemising?
may you be systemising?
may they be systemising? 	may I have systemised?
may you have systemised?
may she have systemised?
may we have systemised?
may you have systemised?
may they have systemised? 	may I have been systemising?
may you have been systemising?
may she have been systemising?
may we have been systemising?
may you have been systemising?
may they have been systemising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I systemise?
mayn't you systemise?
mayn't she systemise?
mayn't we systemise?
mayn't you systemise?
mayn't they systemise? 	mayn't I be systemising?
mayn't you be systemising?
mayn't she be systemising?
mayn't we be systemising?
mayn't you be systemising?
mayn't they be systemising? 	mayn't I have systemised?
mayn't you have systemised?
mayn't she have systemised?
mayn't we have systemised?
mayn't you have systemised?
mayn't they have systemised? 	mayn't I have been systemising?
mayn't you have been systemising?
mayn't she have been systemising?
mayn't we have been systemising?
mayn't you have been systemising?
mayn't they have been systemising?