may tinsel
Regular verb: tinsel - tinselled- tinselled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may tinsel
you may tinsel
he may tinsel
we may tinsel
you may tinsel
they may tinsel 	I may be tinselling
you may be tinselling
he may be tinselling
we may be tinselling
you may be tinselling
they may be tinselling	I may have tinselled
you may have tinselled
he may have tinselled
we may have tinselled
you may have tinselled
they may have tinselled	I may have been tinselling
you may have been tinselling
he may have been tinselling
we may have been tinselling
you may have been tinselling
they may have been tinselling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't tinsel
you mayn't tinsel
he mayn't tinsel
we mayn't tinsel
you mayn't tinsel
they mayn't tinsel 	I mayn't be tinselling
you mayn't be tinselling
he mayn't be tinselling
we mayn't be tinselling
you mayn't be tinselling
they mayn't be tinselling	I mayn't have tinselled
you mayn't have tinselled
he mayn't have tinselled
we mayn't have tinselled
you mayn't have tinselled
they mayn't have tinselled	I mayn't have been tinselling
you mayn't have been tinselling
he mayn't have been tinselling
we mayn't have been tinselling
you mayn't have been tinselling
they mayn't have been tinselling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I tinsel?
may you tinsel?
may he tinsel?
may we tinsel?
may you tinsel?
may they tinsel? 	may I be tinselling?
may you be tinselling?
may he be tinselling?
may we be tinselling?
may you be tinselling?
may they be tinselling? 	may I have tinselled?
may you have tinselled?
may he have tinselled?
may we have tinselled?
may you have tinselled?
may they have tinselled? 	may I have been tinselling?
may you have been tinselling?
may he have been tinselling?
may we have been tinselling?
may you have been tinselling?
may they have been tinselling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I tinsel?
mayn't you tinsel?
mayn't he tinsel?
mayn't we tinsel?
mayn't you tinsel?
mayn't they tinsel? 	mayn't I be tinselling?
mayn't you be tinselling?
mayn't he be tinselling?
mayn't we be tinselling?
mayn't you be tinselling?
mayn't they be tinselling? 	mayn't I have tinselled?
mayn't you have tinselled?
mayn't he have tinselled?
mayn't we have tinselled?
mayn't you have tinselled?
mayn't they have tinselled? 	mayn't I have been tinselling?
mayn't you have been tinselling?
mayn't he have been tinselling?
mayn't we have been tinselling?
mayn't you have been tinselling?
mayn't they have been tinselling?