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