English verb conjugation
SHOULD RESERVE

Regular verb: reserve - reserved - reserved

Affirmation

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

Negation

Simple form	V-ing form
I should not reserve you should not reserve he should not reserve we should not reserve you should not reserve they should not reserve	I should not be reserving you should not be reserving he should not be reserving we should not be reserving you should not be reserving they should not be reserving
Perfect	V-ing perfect
I should not have reserved you should not have reserved he should not have reserved we should not have reserved you should not have reserved they should not have reserved	I should not have been reserving you should not have been reserving he should not have been reserving we should not have been reserving you should not have been reserving they should not 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
should I not reserve? should you not reserve? should he not reserve? should we not reserve? should you not reserve? should they not reserve?	should I not be reserving? should you not be reserving? should he not be reserving? should we not be reserving? should you not be reserving? should they not be reserving?
Perfect	V-ing perfect
should I not have reserved? should you not have reserved? should he not have reserved? should we not have reserved? should you not have reserved? should they not have reserved?	should I not have been reserving? should you not have been reserving? should he not have been reserving? should we not have been reserving? should you not have been reserving? should they not have been reserving?