English verb conjugation
SHOULD ASSUME

Regular verb: assume - assumed - assumed

Affirmation

Simple form	V-ing form
I should assume you should assume he should assume we should assume you should assume they should assume	I should be assuming you should be assuming he should be assuming we should be assuming you should be assuming they should be assuming
Perfect	V-ing perfect
I should have assumed you should have assumed he should have assumed we should have assumed you should have assumed they should have assumed	I should have been assuming you should have been assuming he should have been assuming we should have been assuming you should have been assuming they should have been assuming

Negation

Simple form	V-ing form
I should not assume you should not assume he should not assume we should not assume you should not assume they should not assume	I should not be assuming you should not be assuming he should not be assuming we should not be assuming you should not be assuming they should not be assuming
Perfect	V-ing perfect
I should not have assumed you should not have assumed he should not have assumed we should not have assumed you should not have assumed they should not have assumed	I should not have been assuming you should not have been assuming he should not have been assuming we should not have been assuming you should not have been assuming they should not have been assuming

Interrogative form

Simple form	V-ing form
should I assume? should you assume? should he assume? should we assume? should you assume? should they assume?	should I be assuming? should you be assuming? should he be assuming? should we be assuming? should you be assuming? should they be assuming?
Perfect	V-ing perfect
should I have assumed? should you have assumed? should he have assumed? should we have assumed? should you have assumed? should they have assumed?	should I have been assuming? should you have been assuming? should he have been assuming? should we have been assuming? should you have been assuming? should they have been assuming?

Interro-negative form

Simple form	V-ing form
should I not assume? should you not assume? should he not assume? should we not assume? should you not assume? should they not assume?	should I not be assuming? should you not be assuming? should he not be assuming? should we not be assuming? should you not be assuming? should they not be assuming?
Perfect	V-ing perfect
should I not have assumed? should you not have assumed? should he not have assumed? should we not have assumed? should you not have assumed? should they not have assumed?	should I not have been assuming? should you not have been assuming? should he not have been assuming? should we not have been assuming? should you not have been assuming? should they not have been assuming?