I could baptize you could baptize he could baptize we could baptize you could baptize they could baptize
V-ing form
I could be baptizing you could be baptizing he could be baptizing we could be baptizing you could be baptizing they could be baptizing
Perfect
I could have baptized you could have baptized he could have baptized we could have baptized you could have baptized they could have baptized
V-ing perfect
I could have been baptizing you could have been baptizing he could have been baptizing we could have been baptizing you could have been baptizing they could have been baptizing
Negation
Simple form
I couldn't baptize you couldn't baptize he couldn't baptize we couldn't baptize you couldn't baptize they couldn't baptize
V-ing form
I couldn't be baptizing you couldn't be baptizing he couldn't be baptizing we couldn't be baptizing you couldn't be baptizing they couldn't be baptizing
Perfect
I couldn't have baptized you couldn't have baptized he couldn't have baptized we couldn't have baptized you couldn't have baptized they couldn't have baptized
V-ing perfect
I couldn't have been baptizing you couldn't have been baptizing he couldn't have been baptizing we couldn't have been baptizing you couldn't have been baptizing they couldn't have been baptizing
Interrogative form
Simple form
could I baptize? could you baptize? could he baptize? could we baptize? could you baptize? could they baptize?
V-ing form
could I be baptizing? could you be baptizing? could he be baptizing? could we be baptizing? could you be baptizing? could they be baptizing?
Perfect
could I have baptized? could you have baptized? could he have baptized? could we have baptized? could you have baptized? could they have baptized?
V-ing perfect
could I have been baptizing? could you have been baptizing? could he have been baptizing? could we have been baptizing? could you have been baptizing? could they have been baptizing?
Interro-negative form
Simple form
couldn't I baptize? couldn't you baptize? couldn't he baptize? couldn't we baptize? couldn't you baptize? couldn't they baptize?
V-ing form
couldn't I be baptizing? couldn't you be baptizing? couldn't he be baptizing? couldn't we be baptizing? couldn't you be baptizing? couldn't they be baptizing?
Perfect
couldn't I have baptized? couldn't you have baptized? couldn't he have baptized? couldn't we have baptized? couldn't you have baptized? couldn't they have baptized?
V-ing perfect
couldn't I have been baptizing? couldn't you have been baptizing? couldn't he have been baptizing? couldn't we have been baptizing? couldn't you have been baptizing? couldn't they have been baptizing?