may perfuse
Regular verb: perfuse - perfused- perfused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may perfuse
you may perfuse
he may perfuse
we may perfuse
you may perfuse
they may perfuse 	I may be perfusing
you may be perfusing
he may be perfusing
we may be perfusing
you may be perfusing
they may be perfusing	I may have perfused
you may have perfused
he may have perfused
we may have perfused
you may have perfused
they may have perfused	I may have been perfusing
you may have been perfusing
he may have been perfusing
we may have been perfusing
you may have been perfusing
they may have been perfusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't perfuse
you mayn't perfuse
he mayn't perfuse
we mayn't perfuse
you mayn't perfuse
they mayn't perfuse 	I mayn't be perfusing
you mayn't be perfusing
he mayn't be perfusing
we mayn't be perfusing
you mayn't be perfusing
they mayn't be perfusing	I mayn't have perfused
you mayn't have perfused
he mayn't have perfused
we mayn't have perfused
you mayn't have perfused
they mayn't have perfused	I mayn't have been perfusing
you mayn't have been perfusing
he mayn't have been perfusing
we mayn't have been perfusing
you mayn't have been perfusing
they mayn't have been perfusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I perfuse?
may you perfuse?
may he perfuse?
may we perfuse?
may you perfuse?
may they perfuse? 	may I be perfusing?
may you be perfusing?
may he be perfusing?
may we be perfusing?
may you be perfusing?
may they be perfusing? 	may I have perfused?
may you have perfused?
may he have perfused?
may we have perfused?
may you have perfused?
may they have perfused? 	may I have been perfusing?
may you have been perfusing?
may he have been perfusing?
may we have been perfusing?
may you have been perfusing?
may they have been perfusing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I perfuse?
mayn't you perfuse?
mayn't he perfuse?
mayn't we perfuse?
mayn't you perfuse?
mayn't they perfuse? 	mayn't I be perfusing?
mayn't you be perfusing?
mayn't he be perfusing?
mayn't we be perfusing?
mayn't you be perfusing?
mayn't they be perfusing? 	mayn't I have perfused?
mayn't you have perfused?
mayn't he have perfused?
mayn't we have perfused?
mayn't you have perfused?
mayn't they have perfused? 	mayn't I have been perfusing?
mayn't you have been perfusing?
mayn't he have been perfusing?
mayn't we have been perfusing?
mayn't you have been perfusing?
mayn't they have been perfusing?