English verb conjugation
COULD PRESTORE

Regular verb: prestore - prestored - prestored

Affirmation

Simple form	V-ing form
I could prestore you could prestore he could prestore we could prestore you could prestore they could prestore	I could be prestoring you could be prestoring he could be prestoring we could be prestoring you could be prestoring they could be prestoring
Perfect	V-ing perfect
I could have prestored you could have prestored he could have prestored we could have prestored you could have prestored they could have prestored	I could have been prestoring you could have been prestoring he could have been prestoring we could have been prestoring you could have been prestoring they could have been prestoring

Negation

Simple form	V-ing form
I couldn't prestore you couldn't prestore he couldn't prestore we couldn't prestore you couldn't prestore they couldn't prestore	I couldn't be prestoring you couldn't be prestoring he couldn't be prestoring we couldn't be prestoring you couldn't be prestoring they couldn't be prestoring
Perfect	V-ing perfect
I couldn't have prestored you couldn't have prestored he couldn't have prestored we couldn't have prestored you couldn't have prestored they couldn't have prestored	I couldn't have been prestoring you couldn't have been prestoring he couldn't have been prestoring we couldn't have been prestoring you couldn't have been prestoring they couldn't have been prestoring

Interrogative form

Simple form	V-ing form
could I prestore? could you prestore? could he prestore? could we prestore? could you prestore? could they prestore?	could I be prestoring? could you be prestoring? could he be prestoring? could we be prestoring? could you be prestoring? could they be prestoring?
Perfect	V-ing perfect
could I have prestored? could you have prestored? could he have prestored? could we have prestored? could you have prestored? could they have prestored?	could I have been prestoring? could you have been prestoring? could he have been prestoring? could we have been prestoring? could you have been prestoring? could they have been prestoring?

Interro-negative form

Simple form	V-ing form
couldn't I prestore? couldn't you prestore? couldn't he prestore? couldn't we prestore? couldn't you prestore? couldn't they prestore?	couldn't I be prestoring? couldn't you be prestoring? couldn't he be prestoring? couldn't we be prestoring? couldn't you be prestoring? couldn't they be prestoring?
Perfect	V-ing perfect
couldn't I have prestored? couldn't you have prestored? couldn't he have prestored? couldn't we have prestored? couldn't you have prestored? couldn't they have prestored?	couldn't I have been prestoring? couldn't you have been prestoring? couldn't he have been prestoring? couldn't we have been prestoring? couldn't you have been prestoring? couldn't they have been prestoring?