Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could apologize apologize you could apologize apologize he could apologize apologize we could apologize apologize you could apologize apologize they could apologize apologize
V-ing form
I could be apologize apologizing you could be apologize apologizing he could be apologize apologizing we could be apologize apologizing you could be apologize apologizing they could be apologize apologizing
Perfect
I could have apologize apologized you could have apologize apologized he could have apologize apologized we could have apologize apologized you could have apologize apologized they could have apologize apologized
V-ing perfect
I could have been apologize apologizing you could have been apologize apologizing he could have been apologize apologizing we could have been apologize apologizing you could have been apologize apologizing they could have been apologize apologizing
Negation
Simple form
I couldn't apologize apologize you couldn't apologize apologize he couldn't apologize apologize we couldn't apologize apologize you couldn't apologize apologize they couldn't apologize apologize
V-ing form
I couldn't be apologize apologizing you couldn't be apologize apologizing he couldn't be apologize apologizing we couldn't be apologize apologizing you couldn't be apologize apologizing they couldn't be apologize apologizing
Perfect
I couldn't have apologize apologized you couldn't have apologize apologized he couldn't have apologize apologized we couldn't have apologize apologized you couldn't have apologize apologized they couldn't have apologize apologized
V-ing perfect
I couldn't have been apologize apologizing you couldn't have been apologize apologizing he couldn't have been apologize apologizing we couldn't have been apologize apologizing you couldn't have been apologize apologizing they couldn't have been apologize apologizing
Interrogative form
Simple form
could I apologize apologize? could you apologize apologize? could he apologize apologize? could we apologize apologize? could you apologize apologize? could they apologize apologize?
V-ing form
could I be apologize apologizing? could you be apologize apologizing? could he be apologize apologizing? could we be apologize apologizing? could you be apologize apologizing? could they be apologize apologizing?
Perfect
could I have apologize apologized? could you have apologize apologized? could he have apologize apologized? could we have apologize apologized? could you have apologize apologized? could they have apologize apologized?
V-ing perfect
could I have been apologize apologizing? could you have been apologize apologizing? could he have been apologize apologizing? could we have been apologize apologizing? could you have been apologize apologizing? could they have been apologize apologizing?
Interro-negative form
Simple form
couldn't I apologize apologize? couldn't you apologize apologize? couldn't he apologize apologize? couldn't we apologize apologize? couldn't you apologize apologize? couldn't they apologize apologize?
V-ing form
couldn't I be apologize apologizing? couldn't you be apologize apologizing? couldn't he be apologize apologizing? couldn't we be apologize apologizing? couldn't you be apologize apologizing? couldn't they be apologize apologizing?
Perfect
couldn't I have apologize apologized? couldn't you have apologize apologized? couldn't he have apologize apologized? couldn't we have apologize apologized? couldn't you have apologize apologized? couldn't they have apologize apologized?
V-ing perfect
couldn't I have been apologize apologizing? couldn't you have been apologize apologizing? couldn't he have been apologize apologizing? couldn't we have been apologize apologizing? couldn't you have been apologize apologizing? couldn't they have been apologize apologizing?