English verb conjugation
COULD DECIMALISE

Regular verb: decimalise - decimalised - decimalised

Affirmation

Simple form	V-ing form
I could decimalise you could decimalise he could decimalise we could decimalise you could decimalise they could decimalise	I could be decimalising you could be decimalising he could be decimalising we could be decimalising you could be decimalising they could be decimalising
Perfect	V-ing perfect
I could have decimalised you could have decimalised he could have decimalised we could have decimalised you could have decimalised they could have decimalised	I could have been decimalising you could have been decimalising he could have been decimalising we could have been decimalising you could have been decimalising they could have been decimalising

Negation

Simple form	V-ing form
I couldn't decimalise you couldn't decimalise he couldn't decimalise we couldn't decimalise you couldn't decimalise they couldn't decimalise	I couldn't be decimalising you couldn't be decimalising he couldn't be decimalising we couldn't be decimalising you couldn't be decimalising they couldn't be decimalising
Perfect	V-ing perfect
I couldn't have decimalised you couldn't have decimalised he couldn't have decimalised we couldn't have decimalised you couldn't have decimalised they couldn't have decimalised	I couldn't have been decimalising you couldn't have been decimalising he couldn't have been decimalising we couldn't have been decimalising you couldn't have been decimalising they couldn't have been decimalising

Interrogative form

Simple form	V-ing form
could I decimalise? could you decimalise? could he decimalise? could we decimalise? could you decimalise? could they decimalise?	could I be decimalising? could you be decimalising? could he be decimalising? could we be decimalising? could you be decimalising? could they be decimalising?
Perfect	V-ing perfect
could I have decimalised? could you have decimalised? could he have decimalised? could we have decimalised? could you have decimalised? could they have decimalised?	could I have been decimalising? could you have been decimalising? could he have been decimalising? could we have been decimalising? could you have been decimalising? could they have been decimalising?

Interro-negative form

Simple form	V-ing form
couldn't I decimalise? couldn't you decimalise? couldn't he decimalise? couldn't we decimalise? couldn't you decimalise? couldn't they decimalise?	couldn't I be decimalising? couldn't you be decimalising? couldn't he be decimalising? couldn't we be decimalising? couldn't you be decimalising? couldn't they be decimalising?
Perfect	V-ing perfect
couldn't I have decimalised? couldn't you have decimalised? couldn't he have decimalised? couldn't we have decimalised? couldn't you have decimalised? couldn't they have decimalised?	couldn't I have been decimalising? couldn't you have been decimalising? couldn't he have been decimalising? couldn't we have been decimalising? couldn't you have been decimalising? couldn't they have been decimalising?