I could missionize you could missionize she could missionize we could missionize you could missionize they could missionize
V-ing form
I could be missionizing you could be missionizing she could be missionizing we could be missionizing you could be missionizing they could be missionizing
Perfect
I could have missionized you could have missionized she 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 she 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 she 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 she 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 she 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 she 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 she missionize? could we missionize? could you missionize? could they missionize?
V-ing form
could I be missionizing? could you be missionizing? could she be missionizing? could we be missionizing? could you be missionizing? could they be missionizing?
Perfect
could I have missionized? could you have missionized? could she 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 she 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 she 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 she 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 she 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 she have been missionizing? couldn't we have been missionizing? couldn't you have been missionizing? couldn't they have been missionizing?