I can flabbergast you can flabbergast she can flabbergast we can flabbergast you can flabbergast they can flabbergast
V-ing form
I can be flabbergasting you can be flabbergasting she can be flabbergasting we can be flabbergasting you can be flabbergasting they can be flabbergasting
Perfect
I can have flabbergasted you can have flabbergasted she can have flabbergasted we can have flabbergasted you can have flabbergasted they can have flabbergasted
V-ing perfect
I can have been flabbergasting you can have been flabbergasting she can have been flabbergasting we can have been flabbergasting you can have been flabbergasting they can have been flabbergasting
Negation
Simple form
I cannot flabbergast you cannot flabbergast she cannot flabbergast we cannot flabbergast you cannot flabbergast they cannot flabbergast
V-ing form
I cannot be flabbergasting you cannot be flabbergasting she cannot be flabbergasting we cannot be flabbergasting you cannot be flabbergasting they cannot be flabbergasting
Perfect
I cannot have flabbergasted you cannot have flabbergasted she cannot have flabbergasted we cannot have flabbergasted you cannot have flabbergasted they cannot have flabbergasted
V-ing perfect
I cannot have been flabbergasting you cannot have been flabbergasting she cannot have been flabbergasting we cannot have been flabbergasting you cannot have been flabbergasting they cannot have been flabbergasting
Interrogative form
Simple form
can I flabbergast? can you flabbergast? can she flabbergast? can we flabbergast? can you flabbergast? can they flabbergast?
V-ing form
can I be flabbergasting? can you be flabbergasting? can she be flabbergasting? can we be flabbergasting? can you be flabbergasting? can they be flabbergasting?
Perfect
can I have flabbergasted? can you have flabbergasted? can she have flabbergasted? can we have flabbergasted? can you have flabbergasted? can they have flabbergasted?
V-ing perfect
can I have been flabbergasting? can you have been flabbergasting? can she have been flabbergasting? can we have been flabbergasting? can you have been flabbergasting? can they have been flabbergasting?
Interro-negative form
Simple form
can I not flabbergast? can you not flabbergast? can she not flabbergast? can we not flabbergast? can you not flabbergast? can they not flabbergast?
V-ing form
can I not be flabbergasting? can you not be flabbergasting? can she not be flabbergasting? can we not be flabbergasting? can you not be flabbergasting? can they not be flabbergasting?
Perfect
can I not have flabbergasted? can you not have flabbergasted? can she not have flabbergasted? can we not have flabbergasted? can you not have flabbergasted? can they not have flabbergasted?
V-ing perfect
can I not have been flabbergasting? can you not have been flabbergasting? can she not have been flabbergasting? can we not have been flabbergasting? can you not have been flabbergasting? can they not have been flabbergasting?