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