English verb conjugation
COULD HELENISE

Regular verb: helenise - helenised - helenised

Affirmation

Simple form	V-ing form
I could helenise you could helenise he could helenise we could helenise you could helenise they could helenise	I could be helenising you could be helenising he could be helenising we could be helenising you could be helenising they could be helenising
Perfect	V-ing perfect
I could have helenised you could have helenised he could have helenised we could have helenised you could have helenised they could have helenised	I could have been helenising you could have been helenising he could have been helenising we could have been helenising you could have been helenising they could have been helenising

Negation

Simple form	V-ing form
I could not helenise you could not helenise he could not helenise we could not helenise you could not helenise they could not helenise	I could not be helenising you could not be helenising he could not be helenising we could not be helenising you could not be helenising they could not be helenising
Perfect	V-ing perfect
I could not have helenised you could not have helenised he could not have helenised we could not have helenised you could not have helenised they could not have helenised	I could not have been helenising you could not have been helenising he could not have been helenising we could not have been helenising you could not have been helenising they could not have been helenising

Interrogative form

Simple form	V-ing form
could I helenise? could you helenise? could he helenise? could we helenise? could you helenise? could they helenise?	could I be helenising? could you be helenising? could he be helenising? could we be helenising? could you be helenising? could they be helenising?
Perfect	V-ing perfect
could I have helenised? could you have helenised? could he have helenised? could we have helenised? could you have helenised? could they have helenised?	could I have been helenising? could you have been helenising? could he have been helenising? could we have been helenising? could you have been helenising? could they have been helenising?

Interro-negative form

Simple form	V-ing form
could I not helenise? could you not helenise? could he not helenise? could we not helenise? could you not helenise? could they not helenise?	could I not be helenising? could you not be helenising? could he not be helenising? could we not be helenising? could you not be helenising? could they not be helenising?
Perfect	V-ing perfect
could I not have helenised? could you not have helenised? could he not have helenised? could we not have helenised? could you not have helenised? could they not have helenised?	could I not have been helenising? could you not have been helenising? could he not have been helenising? could we not have been helenising? could you not have been helenising? could they not have been helenising?