I should memorize you should memorize he should memorize we should memorize you should memorize they should memorize
V-ing form
I should be memorizing you should be memorizing he should be memorizing we should be memorizing you should be memorizing they should be memorizing
Perfect
I should have memorized you should have memorized he should have memorized we should have memorized you should have memorized they should have memorized
V-ing perfect
I should have been memorizing you should have been memorizing he should have been memorizing we should have been memorizing you should have been memorizing they should have been memorizing
Negation
Simple form
I should not memorize you should not memorize he should not memorize we should not memorize you should not memorize they should not memorize
V-ing form
I should not be memorizing you should not be memorizing he should not be memorizing we should not be memorizing you should not be memorizing they should not be memorizing
Perfect
I should not have memorized you should not have memorized he should not have memorized we should not have memorized you should not have memorized they should not have memorized
V-ing perfect
I should not have been memorizing you should not have been memorizing he should not have been memorizing we should not have been memorizing you should not have been memorizing they should not have been memorizing
Interrogative form
Simple form
should I memorize? should you memorize? should he memorize? should we memorize? should you memorize? should they memorize?
V-ing form
should I be memorizing? should you be memorizing? should he be memorizing? should we be memorizing? should you be memorizing? should they be memorizing?
Perfect
should I have memorized? should you have memorized? should he have memorized? should we have memorized? should you have memorized? should they have memorized?
V-ing perfect
should I have been memorizing? should you have been memorizing? should he have been memorizing? should we have been memorizing? should you have been memorizing? should they have been memorizing?
Interro-negative form
Simple form
should I not memorize? should you not memorize? should he not memorize? should we not memorize? should you not memorize? should they not memorize?
V-ing form
should I not be memorizing? should you not be memorizing? should he not be memorizing? should we not be memorizing? should you not be memorizing? should they not be memorizing?
Perfect
should I not have memorized? should you not have memorized? should he not have memorized? should we not have memorized? should you not have memorized? should they not have memorized?
V-ing perfect
should I not have been memorizing? should you not have been memorizing? should he not have been memorizing? should we not have been memorizing? should you not have been memorizing? should they not have been memorizing?