English verb conjugation
COULD MARBLEISE

Regular verb: marbleise - marbleised - marbleised

Affirmation

Simple form	V-ing form
I could marbleise you could marbleise he could marbleise we could marbleise you could marbleise they could marbleise	I could be marbleising you could be marbleising he could be marbleising we could be marbleising you could be marbleising they could be marbleising
Perfect	V-ing perfect
I could have marbleised you could have marbleised he could have marbleised we could have marbleised you could have marbleised they could have marbleised	I could have been marbleising you could have been marbleising he could have been marbleising we could have been marbleising you could have been marbleising they could have been marbleising

Negation

Simple form	V-ing form
I could not marbleise you could not marbleise he could not marbleise we could not marbleise you could not marbleise they could not marbleise	I could not be marbleising you could not be marbleising he could not be marbleising we could not be marbleising you could not be marbleising they could not be marbleising
Perfect	V-ing perfect
I could not have marbleised you could not have marbleised he could not have marbleised we could not have marbleised you could not have marbleised they could not have marbleised	I could not have been marbleising you could not have been marbleising he could not have been marbleising we could not have been marbleising you could not have been marbleising they could not have been marbleising

Interrogative form

Simple form	V-ing form
could I marbleise? could you marbleise? could he marbleise? could we marbleise? could you marbleise? could they marbleise?	could I be marbleising? could you be marbleising? could he be marbleising? could we be marbleising? could you be marbleising? could they be marbleising?
Perfect	V-ing perfect
could I have marbleised? could you have marbleised? could he have marbleised? could we have marbleised? could you have marbleised? could they have marbleised?	could I have been marbleising? could you have been marbleising? could he have been marbleising? could we have been marbleising? could you have been marbleising? could they have been marbleising?

Interro-negative form

Simple form	V-ing form
could I not marbleise? could you not marbleise? could he not marbleise? could we not marbleise? could you not marbleise? could they not marbleise?	could I not be marbleising? could you not be marbleising? could he not be marbleising? could we not be marbleising? could you not be marbleising? could they not be marbleising?
Perfect	V-ing perfect
could I not have marbleised? could you not have marbleised? could he not have marbleised? could we not have marbleised? could you not have marbleised? could they not have marbleised?	could I not have been marbleising? could you not have been marbleising? could he not have been marbleising? could we not have been marbleising? could you not have been marbleising? could they not have been marbleising?