may upchuck
Regular verb: upchuck - upchucked- upchucked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may upchuck
you may upchuck
he may upchuck
we may upchuck
you may upchuck
they may upchuck 	I may be upchucking
you may be upchucking
he may be upchucking
we may be upchucking
you may be upchucking
they may be upchucking	I may have upchucked
you may have upchucked
he may have upchucked
we may have upchucked
you may have upchucked
they may have upchucked	I may have been upchucking
you may have been upchucking
he may have been upchucking
we may have been upchucking
you may have been upchucking
they may have been upchucking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not upchuck
you may not upchuck
he may not upchuck
we may not upchuck
you may not upchuck
they may not upchuck 	I may not be upchucking
you may not be upchucking
he may not be upchucking
we may not be upchucking
you may not be upchucking
they may not be upchucking	I may not have upchucked
you may not have upchucked
he may not have upchucked
we may not have upchucked
you may not have upchucked
they may not have upchucked	I may not have been upchucking
you may not have been upchucking
he may not have been upchucking
we may not have been upchucking
you may not have been upchucking
they may not have been upchucking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I upchuck?
may you upchuck?
may he upchuck?
may we upchuck?
may you upchuck?
may they upchuck? 	may I be upchucking?
may you be upchucking?
may he be upchucking?
may we be upchucking?
may you be upchucking?
may they be upchucking? 	may I have upchucked?
may you have upchucked?
may he have upchucked?
may we have upchucked?
may you have upchucked?
may they have upchucked? 	may I have been upchucking?
may you have been upchucking?
may he have been upchucking?
may we have been upchucking?
may you have been upchucking?
may they have been upchucking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not upchuck?
may you not upchuck?
may he not upchuck?
may we not upchuck?
may you not upchuck?
may they not upchuck? 	may I not be upchucking?
may you not be upchucking?
may he not be upchucking?
may we not be upchucking?
may you not be upchucking?
may they not be upchucking? 	may I not have upchucked?
may you not have upchucked?
may he not have upchucked?
may we not have upchucked?
may you not have upchucked?
may they not have upchucked? 	may I not have been upchucking?
may you not have been upchucking?
may he not have been upchucking?
may we not have been upchucking?
may you not have been upchucking?
may they not have been upchucking?