may flabbergast
Regular verb: flabbergast - flabbergasted- flabbergasted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may flabbergast
you may flabbergast
he may flabbergast
we may flabbergast
you may flabbergast
they may flabbergast 	I may be flabbergasting
you may be flabbergasting
he may be flabbergasting
we may be flabbergasting
you may be flabbergasting
they may be flabbergasting	I may have flabbergasted
you may have flabbergasted
he may have flabbergasted
we may have flabbergasted
you may have flabbergasted
they may have flabbergasted	I may have been flabbergasting
you may have been flabbergasting
he may have been flabbergasting
we may have been flabbergasting
you may have been flabbergasting
they may have been flabbergasting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't flabbergast
you mayn't flabbergast
he mayn't flabbergast
we mayn't flabbergast
you mayn't flabbergast
they mayn't flabbergast 	I mayn't be flabbergasting
you mayn't be flabbergasting
he mayn't be flabbergasting
we mayn't be flabbergasting
you mayn't be flabbergasting
they mayn't be flabbergasting	I mayn't have flabbergasted
you mayn't have flabbergasted
he mayn't have flabbergasted
we mayn't have flabbergasted
you mayn't have flabbergasted
they mayn't have flabbergasted	I mayn't have been flabbergasting
you mayn't have been flabbergasting
he mayn't have been flabbergasting
we mayn't have been flabbergasting
you mayn't have been flabbergasting
they mayn't have been flabbergasting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I flabbergast?
may you flabbergast?
may he flabbergast?
may we flabbergast?
may you flabbergast?
may they flabbergast? 	may I be flabbergasting?
may you be flabbergasting?
may he be flabbergasting?
may we be flabbergasting?
may you be flabbergasting?
may they be flabbergasting? 	may I have flabbergasted?
may you have flabbergasted?
may he have flabbergasted?
may we have flabbergasted?
may you have flabbergasted?
may they have flabbergasted? 	may I have been flabbergasting?
may you have been flabbergasting?
may he have been flabbergasting?
may we have been flabbergasting?
may you have been flabbergasting?
may they have been flabbergasting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I flabbergast?
mayn't you flabbergast?
mayn't he flabbergast?
mayn't we flabbergast?
mayn't you flabbergast?
mayn't they flabbergast? 	mayn't I be flabbergasting?
mayn't you be flabbergasting?
mayn't he be flabbergasting?
mayn't we be flabbergasting?
mayn't you be flabbergasting?
mayn't they be flabbergasting? 	mayn't I have flabbergasted?
mayn't you have flabbergasted?
mayn't he have flabbergasted?
mayn't we have flabbergasted?
mayn't you have flabbergasted?
mayn't they have flabbergasted? 	mayn't I have been flabbergasting?
mayn't you have been flabbergasting?
mayn't he have been flabbergasting?
mayn't we have been flabbergasting?
mayn't you have been flabbergasting?
mayn't they have been flabbergasting?