English verb conjugation
SHOULD UPTURN

Regular verb: upturn - upturned - upturned

Affirmation

Simple form	V-ing form
I should upturn you should upturn he should upturn we should upturn you should upturn they should upturn	I should be upturning you should be upturning he should be upturning we should be upturning you should be upturning they should be upturning
Perfect	V-ing perfect
I should have upturned you should have upturned he should have upturned we should have upturned you should have upturned they should have upturned	I should have been upturning you should have been upturning he should have been upturning we should have been upturning you should have been upturning they should have been upturning

Negation

Simple form	V-ing form
I should not upturn you should not upturn he should not upturn we should not upturn you should not upturn they should not upturn	I should not be upturning you should not be upturning he should not be upturning we should not be upturning you should not be upturning they should not be upturning
Perfect	V-ing perfect
I should not have upturned you should not have upturned he should not have upturned we should not have upturned you should not have upturned they should not have upturned	I should not have been upturning you should not have been upturning he should not have been upturning we should not have been upturning you should not have been upturning they should not have been upturning

Interrogative form

Simple form	V-ing form
should I upturn? should you upturn? should he upturn? should we upturn? should you upturn? should they upturn?	should I be upturning? should you be upturning? should he be upturning? should we be upturning? should you be upturning? should they be upturning?
Perfect	V-ing perfect
should I have upturned? should you have upturned? should he have upturned? should we have upturned? should you have upturned? should they have upturned?	should I have been upturning? should you have been upturning? should he have been upturning? should we have been upturning? should you have been upturning? should they have been upturning?

Interro-negative form

Simple form	V-ing form
should I not upturn? should you not upturn? should he not upturn? should we not upturn? should you not upturn? should they not upturn?	should I not be upturning? should you not be upturning? should he not be upturning? should we not be upturning? should you not be upturning? should they not be upturning?
Perfect	V-ing perfect
should I not have upturned? should you not have upturned? should he not have upturned? should we not have upturned? should you not have upturned? should they not have upturned?	should I not have been upturning? should you not have been upturning? should he not have been upturning? should we not have been upturning? should you not have been upturning? should they not have been upturning?