may tinker
Regular verb: tinker - tinkered- tinkered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may tinker
you may tinker
he may tinker
we may tinker
you may tinker
they may tinker 	I may be tinkering
you may be tinkering
he may be tinkering
we may be tinkering
you may be tinkering
they may be tinkering	I may have tinkered
you may have tinkered
he may have tinkered
we may have tinkered
you may have tinkered
they may have tinkered	I may have been tinkering
you may have been tinkering
he may have been tinkering
we may have been tinkering
you may have been tinkering
they may have been tinkering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't tinker
you mayn't tinker
he mayn't tinker
we mayn't tinker
you mayn't tinker
they mayn't tinker 	I mayn't be tinkering
you mayn't be tinkering
he mayn't be tinkering
we mayn't be tinkering
you mayn't be tinkering
they mayn't be tinkering	I mayn't have tinkered
you mayn't have tinkered
he mayn't have tinkered
we mayn't have tinkered
you mayn't have tinkered
they mayn't have tinkered	I mayn't have been tinkering
you mayn't have been tinkering
he mayn't have been tinkering
we mayn't have been tinkering
you mayn't have been tinkering
they mayn't have been tinkering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I tinker?
may you tinker?
may he tinker?
may we tinker?
may you tinker?
may they tinker? 	may I be tinkering?
may you be tinkering?
may he be tinkering?
may we be tinkering?
may you be tinkering?
may they be tinkering? 	may I have tinkered?
may you have tinkered?
may he have tinkered?
may we have tinkered?
may you have tinkered?
may they have tinkered? 	may I have been tinkering?
may you have been tinkering?
may he have been tinkering?
may we have been tinkering?
may you have been tinkering?
may they have been tinkering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I tinker?
mayn't you tinker?
mayn't he tinker?
mayn't we tinker?
mayn't you tinker?
mayn't they tinker? 	mayn't I be tinkering?
mayn't you be tinkering?
mayn't he be tinkering?
mayn't we be tinkering?
mayn't you be tinkering?
mayn't they be tinkering? 	mayn't I have tinkered?
mayn't you have tinkered?
mayn't he have tinkered?
mayn't we have tinkered?
mayn't you have tinkered?
mayn't they have tinkered? 	mayn't I have been tinkering?
mayn't you have been tinkering?
mayn't he have been tinkering?
mayn't we have been tinkering?
mayn't you have been tinkering?
mayn't they have been tinkering?