I'd be memorizing you'd be memorizing she'd be memorizing we'd be memorizing you'd be memorizing they'd be memorizing
Perfect
I should've memorized you should've memorized she should've memorized we should've memorized you should've memorized they should've memorized
V-ing perfect
I should've been memorizing you should've been memorizing she should've been memorizing we should've been memorizing you should've been memorizing they should've been memorizing
Negation
Simple form
I shouldn't memorize you shouldn't memorize she shouldn't memorize we shouldn't memorize you shouldn't memorize they shouldn't memorize
V-ing form
I shouldn't be memorizing you shouldn't be memorizing she shouldn't be memorizing we shouldn't be memorizing you shouldn't be memorizing they shouldn't be memorizing
Perfect
I shouldn't have memorized you shouldn't have memorized she shouldn't have memorized we shouldn't have memorized you shouldn't have memorized they shouldn't have memorized
V-ing perfect
I shouldn't have been memorizing you shouldn't have been memorizing she shouldn't have been memorizing we shouldn't have been memorizing you shouldn't have been memorizing they shouldn't have been memorizing
Interrogative form
Simple form
should I memorize? should you memorize? should she memorize? should we memorize? should you memorize? should they memorize?
V-ing form
should I be memorizing? should you be memorizing? should she be memorizing? should we be memorizing? should you be memorizing? should they be memorizing?
Perfect
should I have memorized? should you have memorized? should she 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 she have been memorizing? should we have been memorizing? should you have been memorizing? should they have been memorizing?
Interro-negative form
Simple form
shouldn't I memorize? shouldn't you memorize? shouldn't she memorize? shouldn't we memorize? shouldn't you memorize? shouldn't they memorize?
V-ing form
shouldn't I be memorizing? shouldn't you be memorizing? shouldn't she be memorizing? shouldn't we be memorizing? shouldn't you be memorizing? shouldn't they be memorizing?
Perfect
shouldn't I have memorized? shouldn't you have memorized? shouldn't she have memorized? shouldn't we have memorized? shouldn't you have memorized? shouldn't they have memorized?
V-ing perfect
shouldn't I have been memorizing? shouldn't you have been memorizing? shouldn't she have been memorizing? shouldn't we have been memorizing? shouldn't you have been memorizing? shouldn't they have been memorizing?