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