I could self-destruct you could self-destruct he could self-destruct we could self-destruct you could self-destruct they could self-destruct
V-ing form
I could be self-destructing you could be self-destructing he could be self-destructing we could be self-destructing you could be self-destructing they could be self-destructing
Perfect
I could have self-destructed you could have self-destructed he could have self-destructed we could have self-destructed you could have self-destructed they could have self-destructed
V-ing perfect
I could have been self-destructing you could have been self-destructing he could have been self-destructing we could have been self-destructing you could have been self-destructing they could have been self-destructing
Negation
Simple form
I couldn't self-destruct you couldn't self-destruct he couldn't self-destruct we couldn't self-destruct you couldn't self-destruct they couldn't self-destruct
V-ing form
I couldn't be self-destructing you couldn't be self-destructing he couldn't be self-destructing we couldn't be self-destructing you couldn't be self-destructing they couldn't be self-destructing
Perfect
I couldn't have self-destructed you couldn't have self-destructed he couldn't have self-destructed we couldn't have self-destructed you couldn't have self-destructed they couldn't have self-destructed
V-ing perfect
I couldn't have been self-destructing you couldn't have been self-destructing he couldn't have been self-destructing we couldn't have been self-destructing you couldn't have been self-destructing they couldn't have been self-destructing
Interrogative form
Simple form
could I self-destruct? could you self-destruct? could he self-destruct? could we self-destruct? could you self-destruct? could they self-destruct?
V-ing form
could I be self-destructing? could you be self-destructing? could he be self-destructing? could we be self-destructing? could you be self-destructing? could they be self-destructing?
Perfect
could I have self-destructed? could you have self-destructed? could he have self-destructed? could we have self-destructed? could you have self-destructed? could they have self-destructed?
V-ing perfect
could I have been self-destructing? could you have been self-destructing? could he have been self-destructing? could we have been self-destructing? could you have been self-destructing? could they have been self-destructing?
Interro-negative form
Simple form
couldn't I self-destruct? couldn't you self-destruct? couldn't he self-destruct? couldn't we self-destruct? couldn't you self-destruct? couldn't they self-destruct?
V-ing form
couldn't I be self-destructing? couldn't you be self-destructing? couldn't he be self-destructing? couldn't we be self-destructing? couldn't you be self-destructing? couldn't they be self-destructing?
Perfect
couldn't I have self-destructed? couldn't you have self-destructed? couldn't he have self-destructed? couldn't we have self-destructed? couldn't you have self-destructed? couldn't they have self-destructed?
V-ing perfect
couldn't I have been self-destructing? couldn't you have been self-destructing? couldn't he have been self-destructing? couldn't we have been self-destructing? couldn't you have been self-destructing? couldn't they have been self-destructing?