English verb conjugation
COULD STANDARDISE

Regular verb: standardise - standardised - standardised

Affirmation

Simple form	V-ing form
I could standardise you could standardise he could standardise we could standardise you could standardise they could standardise	I could be standardising you could be standardising he could be standardising we could be standardising you could be standardising they could be standardising
Perfect	V-ing perfect
I could have standardised you could have standardised he could have standardised we could have standardised you could have standardised they could have standardised	I could have been standardising you could have been standardising he could have been standardising we could have been standardising you could have been standardising they could have been standardising

Negation

Simple form	V-ing form
I could not standardise you could not standardise he could not standardise we could not standardise you could not standardise they could not standardise	I could not be standardising you could not be standardising he could not be standardising we could not be standardising you could not be standardising they could not be standardising
Perfect	V-ing perfect
I could not have standardised you could not have standardised he could not have standardised we could not have standardised you could not have standardised they could not have standardised	I could not have been standardising you could not have been standardising he could not have been standardising we could not have been standardising you could not have been standardising they could not have been standardising

Interrogative form

Simple form	V-ing form
could I standardise? could you standardise? could he standardise? could we standardise? could you standardise? could they standardise?	could I be standardising? could you be standardising? could he be standardising? could we be standardising? could you be standardising? could they be standardising?
Perfect	V-ing perfect
could I have standardised? could you have standardised? could he have standardised? could we have standardised? could you have standardised? could they have standardised?	could I have been standardising? could you have been standardising? could he have been standardising? could we have been standardising? could you have been standardising? could they have been standardising?

Interro-negative form

Simple form	V-ing form
could I not standardise? could you not standardise? could he not standardise? could we not standardise? could you not standardise? could they not standardise?	could I not be standardising? could you not be standardising? could he not be standardising? could we not be standardising? could you not be standardising? could they not be standardising?
Perfect	V-ing perfect
could I not have standardised? could you not have standardised? could he not have standardised? could we not have standardised? could you not have standardised? could they not have standardised?	could I not have been standardising? could you not have been standardising? could he not have been standardising? could we not have been standardising? could you not have been standardising? could they not have been standardising?