I could incinerate you could incinerate she could incinerate we could incinerate you could incinerate they could incinerate
V-ing form
I could be incinerating you could be incinerating she could be incinerating we could be incinerating you could be incinerating they could be incinerating
Perfect
I could have incinerated you could have incinerated she 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 she 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 she 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 she 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 she 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 she 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 she incinerate? could we incinerate? could you incinerate? could they incinerate?
V-ing form
could I be incinerating? could you be incinerating? could she be incinerating? could we be incinerating? could you be incinerating? could they be incinerating?
Perfect
could I have incinerated? could you have incinerated? could she 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 she 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 she 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 she 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 she 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 she have been incinerating? couldn't we have been incinerating? couldn't you have been incinerating? couldn't they have been incinerating?