English verb conjugation
SHOULD PROPEL

Regular verb: propel - propelled - propelled

Affirmation

Simple form	V-ing form
I'd propel you'd propel he'd propel we'd propel you'd propel they'd propel	I'd be propelling you'd be propelling he'd be propelling we'd be propelling you'd be propelling they'd be propelling
Perfect	V-ing perfect
I should've propelled you should've propelled he should've propelled we should've propelled you should've propelled they should've propelled	I should've been propelling you should've been propelling he should've been propelling we should've been propelling you should've been propelling they should've been propelling

Negation

Simple form	V-ing form
I shouldn't propel you shouldn't propel he shouldn't propel we shouldn't propel you shouldn't propel they shouldn't propel	I shouldn't be propelling you shouldn't be propelling he shouldn't be propelling we shouldn't be propelling you shouldn't be propelling they shouldn't be propelling
Perfect	V-ing perfect
I shouldn't have propelled you shouldn't have propelled he shouldn't have propelled we shouldn't have propelled you shouldn't have propelled they shouldn't have propelled	I shouldn't have been propelling you shouldn't have been propelling he shouldn't have been propelling we shouldn't have been propelling you shouldn't have been propelling they shouldn't have been propelling

Interrogative form

Simple form	V-ing form
should I propel? should you propel? should he propel? should we propel? should you propel? should they propel?	should I be propelling? should you be propelling? should he be propelling? should we be propelling? should you be propelling? should they be propelling?
Perfect	V-ing perfect
should I have propelled? should you have propelled? should he have propelled? should we have propelled? should you have propelled? should they have propelled?	should I have been propelling? should you have been propelling? should he have been propelling? should we have been propelling? should you have been propelling? should they have been propelling?

Interro-negative form

Simple form	V-ing form
shouldn't I propel? shouldn't you propel? shouldn't he propel? shouldn't we propel? shouldn't you propel? shouldn't they propel?	shouldn't I be propelling? shouldn't you be propelling? shouldn't he be propelling? shouldn't we be propelling? shouldn't you be propelling? shouldn't they be propelling?
Perfect	V-ing perfect
shouldn't I have propelled? shouldn't you have propelled? shouldn't he have propelled? shouldn't we have propelled? shouldn't you have propelled? shouldn't they have propelled?	shouldn't I have been propelling? shouldn't you have been propelling? shouldn't he have been propelling? shouldn't we have been propelling? shouldn't you have been propelling? shouldn't they have been propelling?