may consume
Regular verb: consume - consumed- consumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may consume
you may consume
he may consume
we may consume
you may consume
they may consume 	I may be consuming
you may be consuming
he may be consuming
we may be consuming
you may be consuming
they may be consuming	I may have consumed
you may have consumed
he may have consumed
we may have consumed
you may have consumed
they may have consumed	I may have been consuming
you may have been consuming
he may have been consuming
we may have been consuming
you may have been consuming
they may have been consuming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't consume
you mayn't consume
he mayn't consume
we mayn't consume
you mayn't consume
they mayn't consume 	I mayn't be consuming
you mayn't be consuming
he mayn't be consuming
we mayn't be consuming
you mayn't be consuming
they mayn't be consuming	I mayn't have consumed
you mayn't have consumed
he mayn't have consumed
we mayn't have consumed
you mayn't have consumed
they mayn't have consumed	I mayn't have been consuming
you mayn't have been consuming
he mayn't have been consuming
we mayn't have been consuming
you mayn't have been consuming
they mayn't have been consuming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I consume?
may you consume?
may he consume?
may we consume?
may you consume?
may they consume? 	may I be consuming?
may you be consuming?
may he be consuming?
may we be consuming?
may you be consuming?
may they be consuming? 	may I have consumed?
may you have consumed?
may he have consumed?
may we have consumed?
may you have consumed?
may they have consumed? 	may I have been consuming?
may you have been consuming?
may he have been consuming?
may we have been consuming?
may you have been consuming?
may they have been consuming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I consume?
mayn't you consume?
mayn't he consume?
mayn't we consume?
mayn't you consume?
mayn't they consume? 	mayn't I be consuming?
mayn't you be consuming?
mayn't he be consuming?
mayn't we be consuming?
mayn't you be consuming?
mayn't they be consuming? 	mayn't I have consumed?
mayn't you have consumed?
mayn't he have consumed?
mayn't we have consumed?
mayn't you have consumed?
mayn't they have consumed? 	mayn't I have been consuming?
mayn't you have been consuming?
mayn't he have been consuming?
mayn't we have been consuming?
mayn't you have been consuming?
mayn't they have been consuming?