English verb conjugation
CAN FAIR

Regular verb: fair - faired - faired

Affirmation

Simple form	V-ing form
I can fair you can fair he can fair we can fair you can fair they can fair	I can be fairing you can be fairing he can be fairing we can be fairing you can be fairing they can be fairing
Perfect	V-ing perfect
I can have faired you can have faired he can have faired we can have faired you can have faired they can have faired	I can have been fairing you can have been fairing he can have been fairing we can have been fairing you can have been fairing they can have been fairing

Negation

Simple form	V-ing form
I cannot fair you cannot fair he cannot fair we cannot fair you cannot fair they cannot fair	I cannot be fairing you cannot be fairing he cannot be fairing we cannot be fairing you cannot be fairing they cannot be fairing
Perfect	V-ing perfect
I cannot have faired you cannot have faired he cannot have faired we cannot have faired you cannot have faired they cannot have faired	I cannot have been fairing you cannot have been fairing he cannot have been fairing we cannot have been fairing you cannot have been fairing they cannot have been fairing

Interrogative form

Simple form	V-ing form
can I fair? can you fair? can he fair? can we fair? can you fair? can they fair?	can I be fairing? can you be fairing? can he be fairing? can we be fairing? can you be fairing? can they be fairing?
Perfect	V-ing perfect
can I have faired? can you have faired? can he have faired? can we have faired? can you have faired? can they have faired?	can I have been fairing? can you have been fairing? can he have been fairing? can we have been fairing? can you have been fairing? can they have been fairing?

Interro-negative form

Simple form	V-ing form
can I not fair? can you not fair? can he not fair? can we not fair? can you not fair? can they not fair?	can I not be fairing? can you not be fairing? can he not be fairing? can we not be fairing? can you not be fairing? can they not be fairing?
Perfect	V-ing perfect
can I not have faired? can you not have faired? can he not have faired? can we not have faired? can you not have faired? can they not have faired?	can I not have been fairing? can you not have been fairing? can he not have been fairing? can we not have been fairing? can you not have been fairing? can they not have been fairing?