may collect
Regular verb: collect - collected- collected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may collect
you may collect
he may collect
we may collect
you may collect
they may collect 	I may be collecting
you may be collecting
he may be collecting
we may be collecting
you may be collecting
they may be collecting	I may have collected
you may have collected
he may have collected
we may have collected
you may have collected
they may have collected	I may have been collecting
you may have been collecting
he may have been collecting
we may have been collecting
you may have been collecting
they may have been collecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't collect
you mayn't collect
he mayn't collect
we mayn't collect
you mayn't collect
they mayn't collect 	I mayn't be collecting
you mayn't be collecting
he mayn't be collecting
we mayn't be collecting
you mayn't be collecting
they mayn't be collecting	I mayn't have collected
you mayn't have collected
he mayn't have collected
we mayn't have collected
you mayn't have collected
they mayn't have collected	I mayn't have been collecting
you mayn't have been collecting
he mayn't have been collecting
we mayn't have been collecting
you mayn't have been collecting
they mayn't have been collecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I collect?
may you collect?
may he collect?
may we collect?
may you collect?
may they collect? 	may I be collecting?
may you be collecting?
may he be collecting?
may we be collecting?
may you be collecting?
may they be collecting? 	may I have collected?
may you have collected?
may he have collected?
may we have collected?
may you have collected?
may they have collected? 	may I have been collecting?
may you have been collecting?
may he have been collecting?
may we have been collecting?
may you have been collecting?
may they have been collecting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I collect?
mayn't you collect?
mayn't he collect?
mayn't we collect?
mayn't you collect?
mayn't they collect? 	mayn't I be collecting?
mayn't you be collecting?
mayn't he be collecting?
mayn't we be collecting?
mayn't you be collecting?
mayn't they be collecting? 	mayn't I have collected?
mayn't you have collected?
mayn't he have collected?
mayn't we have collected?
mayn't you have collected?
mayn't they have collected? 	mayn't I have been collecting?
mayn't you have been collecting?
mayn't he have been collecting?
mayn't we have been collecting?
mayn't you have been collecting?
mayn't they have been collecting?