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