English verb conjugation
COULD RUBBERISE

Regular verb: rubberise - rubberised - rubberised

Affirmation

Simple form	V-ing form
I could rubberise you could rubberise he could rubberise we could rubberise you could rubberise they could rubberise	I could be rubberising you could be rubberising he could be rubberising we could be rubberising you could be rubberising they could be rubberising
Perfect	V-ing perfect
I could have rubberised you could have rubberised he could have rubberised we could have rubberised you could have rubberised they could have rubberised	I could have been rubberising you could have been rubberising he could have been rubberising we could have been rubberising you could have been rubberising they could have been rubberising

Negation

Simple form	V-ing form
I could not rubberise you could not rubberise he could not rubberise we could not rubberise you could not rubberise they could not rubberise	I could not be rubberising you could not be rubberising he could not be rubberising we could not be rubberising you could not be rubberising they could not be rubberising
Perfect	V-ing perfect
I could not have rubberised you could not have rubberised he could not have rubberised we could not have rubberised you could not have rubberised they could not have rubberised	I could not have been rubberising you could not have been rubberising he could not have been rubberising we could not have been rubberising you could not have been rubberising they could not have been rubberising

Interrogative form

Simple form	V-ing form
could I rubberise? could you rubberise? could he rubberise? could we rubberise? could you rubberise? could they rubberise?	could I be rubberising? could you be rubberising? could he be rubberising? could we be rubberising? could you be rubberising? could they be rubberising?
Perfect	V-ing perfect
could I have rubberised? could you have rubberised? could he have rubberised? could we have rubberised? could you have rubberised? could they have rubberised?	could I have been rubberising? could you have been rubberising? could he have been rubberising? could we have been rubberising? could you have been rubberising? could they have been rubberising?

Interro-negative form

Simple form	V-ing form
could I not rubberise? could you not rubberise? could he not rubberise? could we not rubberise? could you not rubberise? could they not rubberise?	could I not be rubberising? could you not be rubberising? could he not be rubberising? could we not be rubberising? could you not be rubberising? could they not be rubberising?
Perfect	V-ing perfect
could I not have rubberised? could you not have rubberised? could he not have rubberised? could we not have rubberised? could you not have rubberised? could they not have rubberised?	could I not have been rubberising? could you not have been rubberising? could he not have been rubberising? could we not have been rubberising? could you not have been rubberising? could they not have been rubberising?