I could cauterize you could cauterize she could cauterize we could cauterize you could cauterize they could cauterize
V-ing form
I could be cauterizing you could be cauterizing she could be cauterizing we could be cauterizing you could be cauterizing they could be cauterizing
Perfect
I could have cauterized you could have cauterized she 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 she 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 she 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 she 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 she 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 she 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 she cauterize? could we cauterize? could you cauterize? could they cauterize?
V-ing form
could I be cauterizing? could you be cauterizing? could she be cauterizing? could we be cauterizing? could you be cauterizing? could they be cauterizing?
Perfect
could I have cauterized? could you have cauterized? could she 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 she 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 she 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 she 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 she 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 she have been cauterizing? couldn't we have been cauterizing? couldn't you have been cauterizing? couldn't they have been cauterizing?