English verb conjugation
COULD PLASTICISE

Regular verb: plasticise - plasticised - plasticised

Affirmation

Simple form	V-ing form
I could plasticise you could plasticise he could plasticise we could plasticise you could plasticise they could plasticise	I could be plasticising you could be plasticising he could be plasticising we could be plasticising you could be plasticising they could be plasticising
Perfect	V-ing perfect
I could have plasticised you could have plasticised he could have plasticised we could have plasticised you could have plasticised they could have plasticised	I could have been plasticising you could have been plasticising he could have been plasticising we could have been plasticising you could have been plasticising they could have been plasticising

Negation

Simple form	V-ing form
I couldn't plasticise you couldn't plasticise he couldn't plasticise we couldn't plasticise you couldn't plasticise they couldn't plasticise	I couldn't be plasticising you couldn't be plasticising he couldn't be plasticising we couldn't be plasticising you couldn't be plasticising they couldn't be plasticising
Perfect	V-ing perfect
I couldn't have plasticised you couldn't have plasticised he couldn't have plasticised we couldn't have plasticised you couldn't have plasticised they couldn't have plasticised	I couldn't have been plasticising you couldn't have been plasticising he couldn't have been plasticising we couldn't have been plasticising you couldn't have been plasticising they couldn't have been plasticising

Interrogative form

Simple form	V-ing form
could I plasticise? could you plasticise? could he plasticise? could we plasticise? could you plasticise? could they plasticise?	could I be plasticising? could you be plasticising? could he be plasticising? could we be plasticising? could you be plasticising? could they be plasticising?
Perfect	V-ing perfect
could I have plasticised? could you have plasticised? could he have plasticised? could we have plasticised? could you have plasticised? could they have plasticised?	could I have been plasticising? could you have been plasticising? could he have been plasticising? could we have been plasticising? could you have been plasticising? could they have been plasticising?

Interro-negative form

Simple form	V-ing form
couldn't I plasticise? couldn't you plasticise? couldn't he plasticise? couldn't we plasticise? couldn't you plasticise? couldn't they plasticise?	couldn't I be plasticising? couldn't you be plasticising? couldn't he be plasticising? couldn't we be plasticising? couldn't you be plasticising? couldn't they be plasticising?
Perfect	V-ing perfect
couldn't I have plasticised? couldn't you have plasticised? couldn't he have plasticised? couldn't we have plasticised? couldn't you have plasticised? couldn't they have plasticised?	couldn't I have been plasticising? couldn't you have been plasticising? couldn't he have been plasticising? couldn't we have been plasticising? couldn't you have been plasticising? couldn't they have been plasticising?