can fox
Regular verb: fox - foxed- foxed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can fox
you can fox
he can fox
we can fox
you can fox
they can fox 	I can be foxing
you can be foxing
he can be foxing
we can be foxing
you can be foxing
they can be foxing	I can have foxed
you can have foxed
he can have foxed
we can have foxed
you can have foxed
they can have foxed	I can have been foxing
you can have been foxing
he can have been foxing
we can have been foxing
you can have been foxing
they can have been foxing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't fox
you can't fox
he can't fox
we can't fox
you can't fox
they can't fox 	I can't be foxing
you can't be foxing
he can't be foxing
we can't be foxing
you can't be foxing
they can't be foxing	I can't have foxed
you can't have foxed
he can't have foxed
we can't have foxed
you can't have foxed
they can't have foxed	I can't have been foxing
you can't have been foxing
he can't have been foxing
we can't have been foxing
you can't have been foxing
they can't have been foxing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I fox?
can you fox?
can he fox?
can we fox?
can you fox?
can they fox? 	can I be foxing?
can you be foxing?
can he be foxing?
can we be foxing?
can you be foxing?
can they be foxing? 	can I have foxed?
can you have foxed?
can he have foxed?
can we have foxed?
can you have foxed?
can they have foxed? 	can I have been foxing?
can you have been foxing?
can he have been foxing?
can we have been foxing?
can you have been foxing?
can they have been foxing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I fox?
can't you fox?
can't he fox?
can't we fox?
can't you fox?
can't they fox? 	can't I be foxing?
can't you be foxing?
can't he be foxing?
can't we be foxing?
can't you be foxing?
can't they be foxing? 	can't I have foxed?
can't you have foxed?
can't he have foxed?
can't we have foxed?
can't you have foxed?
can't they have foxed? 	can't I have been foxing?
can't you have been foxing?
can't he have been foxing?
can't we have been foxing?
can't you have been foxing?
can't they have been foxing?