may rethink
Irregular verb: rethink - rethought- rethought

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may rethink
you may rethink
he may rethink
we may rethink
you may rethink
they may rethink 	I may be rethinking
you may be rethinking
he may be rethinking
we may be rethinking
you may be rethinking
they may be rethinking	I may have rethought
you may have rethought
he may have rethought
we may have rethought
you may have rethought
they may have rethought	I may have been rethinking
you may have been rethinking
he may have been rethinking
we may have been rethinking
you may have been rethinking
they may have been rethinking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't rethink
you mayn't rethink
he mayn't rethink
we mayn't rethink
you mayn't rethink
they mayn't rethink 	I mayn't be rethinking
you mayn't be rethinking
he mayn't be rethinking
we mayn't be rethinking
you mayn't be rethinking
they mayn't be rethinking	I mayn't have rethought
you mayn't have rethought
he mayn't have rethought
we mayn't have rethought
you mayn't have rethought
they mayn't have rethought	I mayn't have been rethinking
you mayn't have been rethinking
he mayn't have been rethinking
we mayn't have been rethinking
you mayn't have been rethinking
they mayn't have been rethinking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I rethink?
may you rethink?
may he rethink?
may we rethink?
may you rethink?
may they rethink? 	may I be rethinking?
may you be rethinking?
may he be rethinking?
may we be rethinking?
may you be rethinking?
may they be rethinking? 	may I have rethought?
may you have rethought?
may he have rethought?
may we have rethought?
may you have rethought?
may they have rethought? 	may I have been rethinking?
may you have been rethinking?
may he have been rethinking?
may we have been rethinking?
may you have been rethinking?
may they have been rethinking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I rethink?
mayn't you rethink?
mayn't he rethink?
mayn't we rethink?
mayn't you rethink?
mayn't they rethink? 	mayn't I be rethinking?
mayn't you be rethinking?
mayn't he be rethinking?
mayn't we be rethinking?
mayn't you be rethinking?
mayn't they be rethinking? 	mayn't I have rethought?
mayn't you have rethought?
mayn't he have rethought?
mayn't we have rethought?
mayn't you have rethought?
mayn't they have rethought? 	mayn't I have been rethinking?
mayn't you have been rethinking?
mayn't he have been rethinking?
mayn't we have been rethinking?
mayn't you have been rethinking?
mayn't they have been rethinking?