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