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