English verb conjugation
CAN FOX

Regular verb: fox - foxed - foxed

Affirmation

Simple form	V-ing form
I can fox you can fox she can fox we can fox you can fox they can fox	I can be foxing you can be foxing she can be foxing we can be foxing you can be foxing they can be foxing
Perfect	V-ing perfect
I can have foxed you can have foxed she 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 she 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
I cannot fox you cannot fox she cannot fox we cannot fox you cannot fox they cannot fox	I cannot be foxing you cannot be foxing she cannot be foxing we cannot be foxing you cannot be foxing they cannot be foxing
Perfect	V-ing perfect
I cannot have foxed you cannot have foxed she cannot have foxed we cannot have foxed you cannot have foxed they cannot have foxed	I cannot have been foxing you cannot have been foxing she cannot have been foxing we cannot have been foxing you cannot have been foxing they cannot have been foxing

Interrogative form

Simple form	V-ing form
can I fox? can you fox? can she fox? can we fox? can you fox? can they fox?	can I be foxing? can you be foxing? can she be foxing? can we be foxing? can you be foxing? can they be foxing?
Perfect	V-ing perfect
can I have foxed? can you have foxed? can she 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 she 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
can I not fox? can you not fox? can she not fox? can we not fox? can you not fox? can they not fox?	can I not be foxing? can you not be foxing? can she not be foxing? can we not be foxing? can you not be foxing? can they not be foxing?
Perfect	V-ing perfect
can I not have foxed? can you not have foxed? can she not have foxed? can we not have foxed? can you not have foxed? can they not have foxed?	can I not have been foxing? can you not have been foxing? can she not have been foxing? can we not have been foxing? can you not have been foxing? can they not have been foxing?