may cuckoo
Regular verb: cuckoo - cuckooed- cuckooed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may cuckoo
you may cuckoo
he may cuckoo
we may cuckoo
you may cuckoo
they may cuckoo 	I may be cuckooing
you may be cuckooing
he may be cuckooing
we may be cuckooing
you may be cuckooing
they may be cuckooing	I may have cuckooed
you may have cuckooed
he may have cuckooed
we may have cuckooed
you may have cuckooed
they may have cuckooed	I may have been cuckooing
you may have been cuckooing
he may have been cuckooing
we may have been cuckooing
you may have been cuckooing
they may have been cuckooing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not cuckoo
you may not cuckoo
he may not cuckoo
we may not cuckoo
you may not cuckoo
they may not cuckoo 	I may not be cuckooing
you may not be cuckooing
he may not be cuckooing
we may not be cuckooing
you may not be cuckooing
they may not be cuckooing	I may not have cuckooed
you may not have cuckooed
he may not have cuckooed
we may not have cuckooed
you may not have cuckooed
they may not have cuckooed	I may not have been cuckooing
you may not have been cuckooing
he may not have been cuckooing
we may not have been cuckooing
you may not have been cuckooing
they may not have been cuckooing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I cuckoo?
may you cuckoo?
may he cuckoo?
may we cuckoo?
may you cuckoo?
may they cuckoo? 	may I be cuckooing?
may you be cuckooing?
may he be cuckooing?
may we be cuckooing?
may you be cuckooing?
may they be cuckooing? 	may I have cuckooed?
may you have cuckooed?
may he have cuckooed?
may we have cuckooed?
may you have cuckooed?
may they have cuckooed? 	may I have been cuckooing?
may you have been cuckooing?
may he have been cuckooing?
may we have been cuckooing?
may you have been cuckooing?
may they have been cuckooing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not cuckoo?
may you not cuckoo?
may he not cuckoo?
may we not cuckoo?
may you not cuckoo?
may they not cuckoo? 	may I not be cuckooing?
may you not be cuckooing?
may he not be cuckooing?
may we not be cuckooing?
may you not be cuckooing?
may they not be cuckooing? 	may I not have cuckooed?
may you not have cuckooed?
may he not have cuckooed?
may we not have cuckooed?
may you not have cuckooed?
may they not have cuckooed? 	may I not have been cuckooing?
may you not have been cuckooing?
may he not have been cuckooing?
may we not have been cuckooing?
may you not have been cuckooing?
may they not have been cuckooing?