English verb conjugation
SHOULD RESERVE

Regular verb: reserve - reserved - reserved

Affirmation

Simple form	V-ing form
I'd reserve you'd reserve he'd reserve we'd reserve you'd reserve they'd reserve	I'd be reserving you'd be reserving he'd be reserving we'd be reserving you'd be reserving they'd be reserving
Perfect	V-ing perfect
I should've reserved you should've reserved he should've reserved we should've reserved you should've reserved they should've reserved	I should've been reserving you should've been reserving he should've been reserving we should've been reserving you should've been reserving they should've been reserving

Negation

Simple form	V-ing form
I shouldn't reserve you shouldn't reserve he shouldn't reserve we shouldn't reserve you shouldn't reserve they shouldn't reserve	I shouldn't be reserving you shouldn't be reserving he shouldn't be reserving we shouldn't be reserving you shouldn't be reserving they shouldn't be reserving
Perfect	V-ing perfect
I shouldn't have reserved you shouldn't have reserved he shouldn't have reserved we shouldn't have reserved you shouldn't have reserved they shouldn't have reserved	I shouldn't have been reserving you shouldn't have been reserving he shouldn't have been reserving we shouldn't have been reserving you shouldn't have been reserving they shouldn't have been reserving

Interrogative form

Simple form	V-ing form
should I reserve? should you reserve? should he reserve? should we reserve? should you reserve? should they reserve?	should I be reserving? should you be reserving? should he be reserving? should we be reserving? should you be reserving? should they be reserving?
Perfect	V-ing perfect
should I have reserved? should you have reserved? should he have reserved? should we have reserved? should you have reserved? should they have reserved?	should I have been reserving? should you have been reserving? should he have been reserving? should we have been reserving? should you have been reserving? should they have been reserving?

Interro-negative form

Simple form	V-ing form
shouldn't I reserve? shouldn't you reserve? shouldn't he reserve? shouldn't we reserve? shouldn't you reserve? shouldn't they reserve?	shouldn't I be reserving? shouldn't you be reserving? shouldn't he be reserving? shouldn't we be reserving? shouldn't you be reserving? shouldn't they be reserving?
Perfect	V-ing perfect
shouldn't I have reserved? shouldn't you have reserved? shouldn't he have reserved? shouldn't we have reserved? shouldn't you have reserved? shouldn't they have reserved?	shouldn't I have been reserving? shouldn't you have been reserving? shouldn't he have been reserving? shouldn't we have been reserving? shouldn't you have been reserving? shouldn't they have been reserving?