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