English verb conjugation
COULD IONISE

Regular verb: ionise - ionised - ionised

Affirmation

Simple form	V-ing form
I could ionise you could ionise he could ionise we could ionise you could ionise they could ionise	I could be ionising you could be ionising he could be ionising we could be ionising you could be ionising they could be ionising
Perfect	V-ing perfect
I could have ionised you could have ionised he could have ionised we could have ionised you could have ionised they could have ionised	I could have been ionising you could have been ionising he could have been ionising we could have been ionising you could have been ionising they could have been ionising

Negation

Simple form	V-ing form
I could not ionise you could not ionise he could not ionise we could not ionise you could not ionise they could not ionise	I could not be ionising you could not be ionising he could not be ionising we could not be ionising you could not be ionising they could not be ionising
Perfect	V-ing perfect
I could not have ionised you could not have ionised he could not have ionised we could not have ionised you could not have ionised they could not have ionised	I could not have been ionising you could not have been ionising he could not have been ionising we could not have been ionising you could not have been ionising they could not have been ionising

Interrogative form

Simple form	V-ing form
could I ionise? could you ionise? could he ionise? could we ionise? could you ionise? could they ionise?	could I be ionising? could you be ionising? could he be ionising? could we be ionising? could you be ionising? could they be ionising?
Perfect	V-ing perfect
could I have ionised? could you have ionised? could he have ionised? could we have ionised? could you have ionised? could they have ionised?	could I have been ionising? could you have been ionising? could he have been ionising? could we have been ionising? could you have been ionising? could they have been ionising?

Interro-negative form

Simple form	V-ing form
could I not ionise? could you not ionise? could he not ionise? could we not ionise? could you not ionise? could they not ionise?	could I not be ionising? could you not be ionising? could he not be ionising? could we not be ionising? could you not be ionising? could they not be ionising?
Perfect	V-ing perfect
could I not have ionised? could you not have ionised? could he not have ionised? could we not have ionised? could you not have ionised? could they not have ionised?	could I not have been ionising? could you not have been ionising? could he not have been ionising? could we not have been ionising? could you not have been ionising? could they not have been ionising?