may clank
Regular verb: clank - clanked- clanked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may clank
you may clank
he may clank
we may clank
you may clank
they may clank 	I may be clanking
you may be clanking
he may be clanking
we may be clanking
you may be clanking
they may be clanking	I may have clanked
you may have clanked
he may have clanked
we may have clanked
you may have clanked
they may have clanked	I may have been clanking
you may have been clanking
he may have been clanking
we may have been clanking
you may have been clanking
they may have been clanking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't clank
you mayn't clank
he mayn't clank
we mayn't clank
you mayn't clank
they mayn't clank 	I mayn't be clanking
you mayn't be clanking
he mayn't be clanking
we mayn't be clanking
you mayn't be clanking
they mayn't be clanking	I mayn't have clanked
you mayn't have clanked
he mayn't have clanked
we mayn't have clanked
you mayn't have clanked
they mayn't have clanked	I mayn't have been clanking
you mayn't have been clanking
he mayn't have been clanking
we mayn't have been clanking
you mayn't have been clanking
they mayn't have been clanking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I clank?
may you clank?
may he clank?
may we clank?
may you clank?
may they clank? 	may I be clanking?
may you be clanking?
may he be clanking?
may we be clanking?
may you be clanking?
may they be clanking? 	may I have clanked?
may you have clanked?
may he have clanked?
may we have clanked?
may you have clanked?
may they have clanked? 	may I have been clanking?
may you have been clanking?
may he have been clanking?
may we have been clanking?
may you have been clanking?
may they have been clanking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I clank?
mayn't you clank?
mayn't he clank?
mayn't we clank?
mayn't you clank?
mayn't they clank? 	mayn't I be clanking?
mayn't you be clanking?
mayn't he be clanking?
mayn't we be clanking?
mayn't you be clanking?
mayn't they be clanking? 	mayn't I have clanked?
mayn't you have clanked?
mayn't he have clanked?
mayn't we have clanked?
mayn't you have clanked?
mayn't they have clanked? 	mayn't I have been clanking?
mayn't you have been clanking?
mayn't he have been clanking?
mayn't we have been clanking?
mayn't you have been clanking?
mayn't they have been clanking?