may merchandise
Regular verb: merchandise - merchandised- merchandised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may merchandise
you may merchandise
he may merchandise
we may merchandise
you may merchandise
they may merchandise 	I may be merchandising
you may be merchandising
he may be merchandising
we may be merchandising
you may be merchandising
they may be merchandising	I may have merchandised
you may have merchandised
he may have merchandised
we may have merchandised
you may have merchandised
they may have merchandised	I may have been merchandising
you may have been merchandising
he may have been merchandising
we may have been merchandising
you may have been merchandising
they may have been merchandising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't merchandise
you mayn't merchandise
he mayn't merchandise
we mayn't merchandise
you mayn't merchandise
they mayn't merchandise 	I mayn't be merchandising
you mayn't be merchandising
he mayn't be merchandising
we mayn't be merchandising
you mayn't be merchandising
they mayn't be merchandising	I mayn't have merchandised
you mayn't have merchandised
he mayn't have merchandised
we mayn't have merchandised
you mayn't have merchandised
they mayn't have merchandised	I mayn't have been merchandising
you mayn't have been merchandising
he mayn't have been merchandising
we mayn't have been merchandising
you mayn't have been merchandising
they mayn't have been merchandising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I merchandise?
may you merchandise?
may he merchandise?
may we merchandise?
may you merchandise?
may they merchandise? 	may I be merchandising?
may you be merchandising?
may he be merchandising?
may we be merchandising?
may you be merchandising?
may they be merchandising? 	may I have merchandised?
may you have merchandised?
may he have merchandised?
may we have merchandised?
may you have merchandised?
may they have merchandised? 	may I have been merchandising?
may you have been merchandising?
may he have been merchandising?
may we have been merchandising?
may you have been merchandising?
may they have been merchandising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I merchandise?
mayn't you merchandise?
mayn't he merchandise?
mayn't we merchandise?
mayn't you merchandise?
mayn't they merchandise? 	mayn't I be merchandising?
mayn't you be merchandising?
mayn't he be merchandising?
mayn't we be merchandising?
mayn't you be merchandising?
mayn't they be merchandising? 	mayn't I have merchandised?
mayn't you have merchandised?
mayn't he have merchandised?
mayn't we have merchandised?
mayn't you have merchandised?
mayn't they have merchandised? 	mayn't I have been merchandising?
mayn't you have been merchandising?
mayn't he have been merchandising?
mayn't we have been merchandising?
mayn't you have been merchandising?
mayn't they have been merchandising?