English verb conjugation
COULD UPSISE

Regular verb: upsise - upsised - upsised

Affirmation

Simple form	V-ing form
I could upsise you could upsise he could upsise we could upsise you could upsise they could upsise	I could be upsising you could be upsising he could be upsising we could be upsising you could be upsising they could be upsising
Perfect	V-ing perfect
I could have upsised you could have upsised he could have upsised we could have upsised you could have upsised they could have upsised	I could have been upsising you could have been upsising he could have been upsising we could have been upsising you could have been upsising they could have been upsising

Negation

Simple form	V-ing form
I could not upsise you could not upsise he could not upsise we could not upsise you could not upsise they could not upsise	I could not be upsising you could not be upsising he could not be upsising we could not be upsising you could not be upsising they could not be upsising
Perfect	V-ing perfect
I could not have upsised you could not have upsised he could not have upsised we could not have upsised you could not have upsised they could not have upsised	I could not have been upsising you could not have been upsising he could not have been upsising we could not have been upsising you could not have been upsising they could not have been upsising

Interrogative form

Simple form	V-ing form
could I upsise? could you upsise? could he upsise? could we upsise? could you upsise? could they upsise?	could I be upsising? could you be upsising? could he be upsising? could we be upsising? could you be upsising? could they be upsising?
Perfect	V-ing perfect
could I have upsised? could you have upsised? could he have upsised? could we have upsised? could you have upsised? could they have upsised?	could I have been upsising? could you have been upsising? could he have been upsising? could we have been upsising? could you have been upsising? could they have been upsising?

Interro-negative form

Simple form	V-ing form
could I not upsise? could you not upsise? could he not upsise? could we not upsise? could you not upsise? could they not upsise?	could I not be upsising? could you not be upsising? could he not be upsising? could we not be upsising? could you not be upsising? could they not be upsising?
Perfect	V-ing perfect
could I not have upsised? could you not have upsised? could he not have upsised? could we not have upsised? could you not have upsised? could they not have upsised?	could I not have been upsising? could you not have been upsising? could he not have been upsising? could we not have been upsising? could you not have been upsising? could they not have been upsising?