Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can expert you can expert she can expert we can expert you can expert they can expert
V-ing form
I can be experting you can be experting she can be experting we can be experting you can be experting they can be experting
Perfect
I can have experted you can have experted she can have experted we can have experted you can have experted they can have experted
V-ing perfect
I can have been experting you can have been experting she can have been experting we can have been experting you can have been experting they can have been experting
Negation
Simple form
I cannot expert you cannot expert she cannot expert we cannot expert you cannot expert they cannot expert
V-ing form
I cannot be experting you cannot be experting she cannot be experting we cannot be experting you cannot be experting they cannot be experting
Perfect
I cannot have experted you cannot have experted she cannot have experted we cannot have experted you cannot have experted they cannot have experted
V-ing perfect
I cannot have been experting you cannot have been experting she cannot have been experting we cannot have been experting you cannot have been experting they cannot have been experting
Interrogative form
Simple form
can I expert? can you expert? can she expert? can we expert? can you expert? can they expert?
V-ing form
can I be experting? can you be experting? can she be experting? can we be experting? can you be experting? can they be experting?
Perfect
can I have experted? can you have experted? can she have experted? can we have experted? can you have experted? can they have experted?
V-ing perfect
can I have been experting? can you have been experting? can she have been experting? can we have been experting? can you have been experting? can they have been experting?
Interro-negative form
Simple form
can I not expert? can you not expert? can she not expert? can we not expert? can you not expert? can they not expert?
V-ing form
can I not be experting? can you not be experting? can she not be experting? can we not be experting? can you not be experting? can they not be experting?
Perfect
can I not have experted? can you not have experted? can she not have experted? can we not have experted? can you not have experted? can they not have experted?
V-ing perfect
can I not have been experting? can you not have been experting? can she not have been experting? can we not have been experting? can you not have been experting? can they not have been experting?