English verb conjugation
COULD ANNIHILATE

Regular verb: annihilate - annihilated - annihilated

Affirmation

Simple form	V-ing form
I could annihilate you could annihilate he could annihilate we could annihilate you could annihilate they could annihilate	I could be annihilating you could be annihilating he could be annihilating we could be annihilating you could be annihilating they could be annihilating
Perfect	V-ing perfect
I could have annihilated you could have annihilated he could have annihilated we could have annihilated you could have annihilated they could have annihilated	I could have been annihilating you could have been annihilating he could have been annihilating we could have been annihilating you could have been annihilating they could have been annihilating

Negation

Simple form	V-ing form
I couldn't annihilate you couldn't annihilate he couldn't annihilate we couldn't annihilate you couldn't annihilate they couldn't annihilate	I couldn't be annihilating you couldn't be annihilating he couldn't be annihilating we couldn't be annihilating you couldn't be annihilating they couldn't be annihilating
Perfect	V-ing perfect
I couldn't have annihilated you couldn't have annihilated he couldn't have annihilated we couldn't have annihilated you couldn't have annihilated they couldn't have annihilated	I couldn't have been annihilating you couldn't have been annihilating he couldn't have been annihilating we couldn't have been annihilating you couldn't have been annihilating they couldn't have been annihilating

Interrogative form

Simple form	V-ing form
could I annihilate? could you annihilate? could he annihilate? could we annihilate? could you annihilate? could they annihilate?	could I be annihilating? could you be annihilating? could he be annihilating? could we be annihilating? could you be annihilating? could they be annihilating?
Perfect	V-ing perfect
could I have annihilated? could you have annihilated? could he have annihilated? could we have annihilated? could you have annihilated? could they have annihilated?	could I have been annihilating? could you have been annihilating? could he have been annihilating? could we have been annihilating? could you have been annihilating? could they have been annihilating?

Interro-negative form

Simple form	V-ing form
couldn't I annihilate? couldn't you annihilate? couldn't he annihilate? couldn't we annihilate? couldn't you annihilate? couldn't they annihilate?	couldn't I be annihilating? couldn't you be annihilating? couldn't he be annihilating? couldn't we be annihilating? couldn't you be annihilating? couldn't they be annihilating?
Perfect	V-ing perfect
couldn't I have annihilated? couldn't you have annihilated? couldn't he have annihilated? couldn't we have annihilated? couldn't you have annihilated? couldn't they have annihilated?	couldn't I have been annihilating? couldn't you have been annihilating? couldn't he have been annihilating? couldn't we have been annihilating? couldn't you have been annihilating? couldn't they have been annihilating?