English verb conjugation
COULD REUSE

Regular verb: reuse - reused - reused

Affirmation

Simple form	V-ing form
I could reuse you could reuse he could reuse we could reuse you could reuse they could reuse	I could be reusing you could be reusing he could be reusing we could be reusing you could be reusing they could be reusing
Perfect	V-ing perfect
I could have reused you could have reused he could have reused we could have reused you could have reused they could have reused	I could have been reusing you could have been reusing he could have been reusing we could have been reusing you could have been reusing they could have been reusing

Negation

Simple form	V-ing form
I couldn't reuse you couldn't reuse he couldn't reuse we couldn't reuse you couldn't reuse they couldn't reuse	I couldn't be reusing you couldn't be reusing he couldn't be reusing we couldn't be reusing you couldn't be reusing they couldn't be reusing
Perfect	V-ing perfect
I couldn't have reused you couldn't have reused he couldn't have reused we couldn't have reused you couldn't have reused they couldn't have reused	I couldn't have been reusing you couldn't have been reusing he couldn't have been reusing we couldn't have been reusing you couldn't have been reusing they couldn't have been reusing

Interrogative form

Simple form	V-ing form
could I reuse? could you reuse? could he reuse? could we reuse? could you reuse? could they reuse?	could I be reusing? could you be reusing? could he be reusing? could we be reusing? could you be reusing? could they be reusing?
Perfect	V-ing perfect
could I have reused? could you have reused? could he have reused? could we have reused? could you have reused? could they have reused?	could I have been reusing? could you have been reusing? could he have been reusing? could we have been reusing? could you have been reusing? could they have been reusing?

Interro-negative form

Simple form	V-ing form
couldn't I reuse? couldn't you reuse? couldn't he reuse? couldn't we reuse? couldn't you reuse? couldn't they reuse?	couldn't I be reusing? couldn't you be reusing? couldn't he be reusing? couldn't we be reusing? couldn't you be reusing? couldn't they be reusing?
Perfect	V-ing perfect
couldn't I have reused? couldn't you have reused? couldn't he have reused? couldn't we have reused? couldn't you have reused? couldn't they have reused?	couldn't I have been reusing? couldn't you have been reusing? couldn't he have been reusing? couldn't we have been reusing? couldn't you have been reusing? couldn't they have been reusing?