may pinnacle
Regular verb: pinnacle - pinnacled- pinnacled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may pinnacle
you may pinnacle
he may pinnacle
we may pinnacle
you may pinnacle
they may pinnacle 	I may be pinnacling
you may be pinnacling
he may be pinnacling
we may be pinnacling
you may be pinnacling
they may be pinnacling	I may have pinnacled
you may have pinnacled
he may have pinnacled
we may have pinnacled
you may have pinnacled
they may have pinnacled	I may have been pinnacling
you may have been pinnacling
he may have been pinnacling
we may have been pinnacling
you may have been pinnacling
they may have been pinnacling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't pinnacle
you mayn't pinnacle
he mayn't pinnacle
we mayn't pinnacle
you mayn't pinnacle
they mayn't pinnacle 	I mayn't be pinnacling
you mayn't be pinnacling
he mayn't be pinnacling
we mayn't be pinnacling
you mayn't be pinnacling
they mayn't be pinnacling	I mayn't have pinnacled
you mayn't have pinnacled
he mayn't have pinnacled
we mayn't have pinnacled
you mayn't have pinnacled
they mayn't have pinnacled	I mayn't have been pinnacling
you mayn't have been pinnacling
he mayn't have been pinnacling
we mayn't have been pinnacling
you mayn't have been pinnacling
they mayn't have been pinnacling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I pinnacle?
may you pinnacle?
may he pinnacle?
may we pinnacle?
may you pinnacle?
may they pinnacle? 	may I be pinnacling?
may you be pinnacling?
may he be pinnacling?
may we be pinnacling?
may you be pinnacling?
may they be pinnacling? 	may I have pinnacled?
may you have pinnacled?
may he have pinnacled?
may we have pinnacled?
may you have pinnacled?
may they have pinnacled? 	may I have been pinnacling?
may you have been pinnacling?
may he have been pinnacling?
may we have been pinnacling?
may you have been pinnacling?
may they have been pinnacling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I pinnacle?
mayn't you pinnacle?
mayn't he pinnacle?
mayn't we pinnacle?
mayn't you pinnacle?
mayn't they pinnacle? 	mayn't I be pinnacling?
mayn't you be pinnacling?
mayn't he be pinnacling?
mayn't we be pinnacling?
mayn't you be pinnacling?
mayn't they be pinnacling? 	mayn't I have pinnacled?
mayn't you have pinnacled?
mayn't he have pinnacled?
mayn't we have pinnacled?
mayn't you have pinnacled?
mayn't they have pinnacled? 	mayn't I have been pinnacling?
mayn't you have been pinnacling?
mayn't he have been pinnacling?
mayn't we have been pinnacling?
mayn't you have been pinnacling?
mayn't they have been pinnacling?