I could memorize you could memorize he could memorize we could memorize you could memorize they could memorize
Forme en V-ing
I could be memorizing you could be memorizing he could be memorizing we could be memorizing you could be memorizing they could be memorizing
Perfect
I could have memorized you could have memorized he could have memorized we could have memorized you could have memorized they could have memorized
Perfect en V-ing
I could have been memorizing you could have been memorizing he could have been memorizing we could have been memorizing you could have been memorizing they could have been memorizing
Négation
Forme simple
I couldn't memorize you couldn't memorize he couldn't memorize we couldn't memorize you couldn't memorize they couldn't memorize
Forme en V-ing
I couldn't be memorizing you couldn't be memorizing he couldn't be memorizing we couldn't be memorizing you couldn't be memorizing they couldn't be memorizing
Perfect
I couldn't have memorized you couldn't have memorized he couldn't have memorized we couldn't have memorized you couldn't have memorized they couldn't have memorized
Perfect en V-ing
I couldn't have been memorizing you couldn't have been memorizing he couldn't have been memorizing we couldn't have been memorizing you couldn't have been memorizing they couldn't have been memorizing
Forme interrogative
Forme simple
could I memorize? could you memorize? could he memorize? could we memorize? could you memorize? could they memorize?
Forme en V-ing
could I be memorizing? could you be memorizing? could he be memorizing? could we be memorizing? could you be memorizing? could they be memorizing?
Perfect
could I have memorized? could you have memorized? could he have memorized? could we have memorized? could you have memorized? could they have memorized?
Perfect en V-ing
could I have been memorizing? could you have been memorizing? could he have been memorizing? could we have been memorizing? could you have been memorizing? could they have been memorizing?
Forme interro-négative
Forme simple
couldn't I memorize? couldn't you memorize? couldn't he memorize? couldn't we memorize? couldn't you memorize? couldn't they memorize?
Forme en V-ing
couldn't I be memorizing? couldn't you be memorizing? couldn't he be memorizing? couldn't we be memorizing? couldn't you be memorizing? couldn't they be memorizing?
Perfect
couldn't I have memorized? couldn't you have memorized? couldn't he have memorized? couldn't we have memorized? couldn't you have memorized? couldn't they have memorized?
Perfect en V-ing
couldn't I have been memorizing? couldn't you have been memorizing? couldn't he have been memorizing? couldn't we have been memorizing? couldn't you have been memorizing? couldn't they have been memorizing?