can flummox
Regular verb: flummox - flummoxed- flummoxed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can flummox
you can flummox
she can flummox
we can flummox
you can flummox
they can flummox 	I can be flummoxing
you can be flummoxing
she can be flummoxing
we can be flummoxing
you can be flummoxing
they can be flummoxing	I can have flummoxed
you can have flummoxed
she can have flummoxed
we can have flummoxed
you can have flummoxed
they can have flummoxed	I can have been flummoxing
you can have been flummoxing
she can have been flummoxing
we can have been flummoxing
you can have been flummoxing
they can have been flummoxing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't flummox
you can't flummox
she can't flummox
we can't flummox
you can't flummox
they can't flummox 	I can't be flummoxing
you can't be flummoxing
she can't be flummoxing
we can't be flummoxing
you can't be flummoxing
they can't be flummoxing	I can't have flummoxed
you can't have flummoxed
she can't have flummoxed
we can't have flummoxed
you can't have flummoxed
they can't have flummoxed	I can't have been flummoxing
you can't have been flummoxing
she can't have been flummoxing
we can't have been flummoxing
you can't have been flummoxing
they can't have been flummoxing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I flummox?
can you flummox?
can she flummox?
can we flummox?
can you flummox?
can they flummox? 	can I be flummoxing?
can you be flummoxing?
can she be flummoxing?
can we be flummoxing?
can you be flummoxing?
can they be flummoxing? 	can I have flummoxed?
can you have flummoxed?
can she have flummoxed?
can we have flummoxed?
can you have flummoxed?
can they have flummoxed? 	can I have been flummoxing?
can you have been flummoxing?
can she have been flummoxing?
can we have been flummoxing?
can you have been flummoxing?
can they have been flummoxing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I flummox?
can't you flummox?
can't she flummox?
can't we flummox?
can't you flummox?
can't they flummox? 	can't I be flummoxing?
can't you be flummoxing?
can't she be flummoxing?
can't we be flummoxing?
can't you be flummoxing?
can't they be flummoxing? 	can't I have flummoxed?
can't you have flummoxed?
can't she have flummoxed?
can't we have flummoxed?
can't you have flummoxed?
can't they have flummoxed? 	can't I have been flummoxing?
can't you have been flummoxing?
can't she have been flummoxing?
can't we have been flummoxing?
can't you have been flummoxing?
can't they have been flummoxing?