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