English verb conjugation
COULD COPOLYMERISE

Regular verb: copolymerise - copolymerised - copolymerised

Affirmation

Simple form	V-ing form
I could copolymerise you could copolymerise he could copolymerise we could copolymerise you could copolymerise they could copolymerise	I could be copolymerising you could be copolymerising he could be copolymerising we could be copolymerising you could be copolymerising they could be copolymerising
Perfect	V-ing perfect
I could have copolymerised you could have copolymerised he could have copolymerised we could have copolymerised you could have copolymerised they could have copolymerised	I could have been copolymerising you could have been copolymerising he could have been copolymerising we could have been copolymerising you could have been copolymerising they could have been copolymerising

Negation

Simple form	V-ing form
I couldn't copolymerise you couldn't copolymerise he couldn't copolymerise we couldn't copolymerise you couldn't copolymerise they couldn't copolymerise	I couldn't be copolymerising you couldn't be copolymerising he couldn't be copolymerising we couldn't be copolymerising you couldn't be copolymerising they couldn't be copolymerising
Perfect	V-ing perfect
I couldn't have copolymerised you couldn't have copolymerised he couldn't have copolymerised we couldn't have copolymerised you couldn't have copolymerised they couldn't have copolymerised	I couldn't have been copolymerising you couldn't have been copolymerising he couldn't have been copolymerising we couldn't have been copolymerising you couldn't have been copolymerising they couldn't have been copolymerising

Interrogative form

Simple form	V-ing form
could I copolymerise? could you copolymerise? could he copolymerise? could we copolymerise? could you copolymerise? could they copolymerise?	could I be copolymerising? could you be copolymerising? could he be copolymerising? could we be copolymerising? could you be copolymerising? could they be copolymerising?
Perfect	V-ing perfect
could I have copolymerised? could you have copolymerised? could he have copolymerised? could we have copolymerised? could you have copolymerised? could they have copolymerised?	could I have been copolymerising? could you have been copolymerising? could he have been copolymerising? could we have been copolymerising? could you have been copolymerising? could they have been copolymerising?

Interro-negative form

Simple form	V-ing form
couldn't I copolymerise? couldn't you copolymerise? couldn't he copolymerise? couldn't we copolymerise? couldn't you copolymerise? couldn't they copolymerise?	couldn't I be copolymerising? couldn't you be copolymerising? couldn't he be copolymerising? couldn't we be copolymerising? couldn't you be copolymerising? couldn't they be copolymerising?
Perfect	V-ing perfect
couldn't I have copolymerised? couldn't you have copolymerised? couldn't he have copolymerised? couldn't we have copolymerised? couldn't you have copolymerised? couldn't they have copolymerised?	couldn't I have been copolymerising? couldn't you have been copolymerising? couldn't he have been copolymerising? couldn't we have been copolymerising? couldn't you have been copolymerising? couldn't they have been copolymerising?