English verb conjugation
COULD DECRIMINALISE

Regular verb: decriminalise - decriminalised - decriminalised

Affirmation

Simple form	V-ing form
I could decriminalise you could decriminalise he could decriminalise we could decriminalise you could decriminalise they could decriminalise	I could be decriminalising you could be decriminalising he could be decriminalising we could be decriminalising you could be decriminalising they could be decriminalising
Perfect	V-ing perfect
I could have decriminalised you could have decriminalised he could have decriminalised we could have decriminalised you could have decriminalised they could have decriminalised	I could have been decriminalising you could have been decriminalising he could have been decriminalising we could have been decriminalising you could have been decriminalising they could have been decriminalising

Negation

Simple form	V-ing form
I couldn't decriminalise you couldn't decriminalise he couldn't decriminalise we couldn't decriminalise you couldn't decriminalise they couldn't decriminalise	I couldn't be decriminalising you couldn't be decriminalising he couldn't be decriminalising we couldn't be decriminalising you couldn't be decriminalising they couldn't be decriminalising
Perfect	V-ing perfect
I couldn't have decriminalised you couldn't have decriminalised he couldn't have decriminalised we couldn't have decriminalised you couldn't have decriminalised they couldn't have decriminalised	I couldn't have been decriminalising you couldn't have been decriminalising he couldn't have been decriminalising we couldn't have been decriminalising you couldn't have been decriminalising they couldn't have been decriminalising

Interrogative form

Simple form	V-ing form
could I decriminalise? could you decriminalise? could he decriminalise? could we decriminalise? could you decriminalise? could they decriminalise?	could I be decriminalising? could you be decriminalising? could he be decriminalising? could we be decriminalising? could you be decriminalising? could they be decriminalising?
Perfect	V-ing perfect
could I have decriminalised? could you have decriminalised? could he have decriminalised? could we have decriminalised? could you have decriminalised? could they have decriminalised?	could I have been decriminalising? could you have been decriminalising? could he have been decriminalising? could we have been decriminalising? could you have been decriminalising? could they have been decriminalising?

Interro-negative form

Simple form	V-ing form
couldn't I decriminalise? couldn't you decriminalise? couldn't he decriminalise? couldn't we decriminalise? couldn't you decriminalise? couldn't they decriminalise?	couldn't I be decriminalising? couldn't you be decriminalising? couldn't he be decriminalising? couldn't we be decriminalising? couldn't you be decriminalising? couldn't they be decriminalising?
Perfect	V-ing perfect
couldn't I have decriminalised? couldn't you have decriminalised? couldn't he have decriminalised? couldn't we have decriminalised? couldn't you have decriminalised? couldn't they have decriminalised?	couldn't I have been decriminalising? couldn't you have been decriminalising? couldn't he have been decriminalising? couldn't we have been decriminalising? couldn't you have been decriminalising? couldn't they have been decriminalising?