Conjugação do verbo inglês
COULD POLYMERISE

Verbo regular: polymerise - polymerised - polymerised

Afirmação

Forma simple	Forma com V-ing
I could polymerise you could polymerise she could polymerise we could polymerise you could polymerise they could polymerise	I could be polymerising you could be polymerising she could be polymerising we could be polymerising you could be polymerising they could be polymerising
Perfeito	Perfeito com V-ing
I could have polymerised you could have polymerised she could have polymerised we could have polymerised you could have polymerised they could have polymerised	I could have been polymerising you could have been polymerising she could have been polymerising we could have been polymerising you could have been polymerising they could have been polymerising

Negação

Forma simple	Forma com V-ing
I couldn't polymerise you couldn't polymerise she couldn't polymerise we couldn't polymerise you couldn't polymerise they couldn't polymerise	I couldn't be polymerising you couldn't be polymerising she couldn't be polymerising we couldn't be polymerising you couldn't be polymerising they couldn't be polymerising
Perfeito	Perfeito com V-ing
I couldn't have polymerised you couldn't have polymerised she couldn't have polymerised we couldn't have polymerised you couldn't have polymerised they couldn't have polymerised	I couldn't have been polymerising you couldn't have been polymerising she couldn't have been polymerising we couldn't have been polymerising you couldn't have been polymerising they couldn't have been polymerising

Forma interrogativa

Forma simple	Forma com V-ing
could I polymerise? could you polymerise? could she polymerise? could we polymerise? could you polymerise? could they polymerise?	could I be polymerising? could you be polymerising? could she be polymerising? could we be polymerising? could you be polymerising? could they be polymerising?
Perfeito	Perfeito com V-ing
could I have polymerised? could you have polymerised? could she have polymerised? could we have polymerised? could you have polymerised? could they have polymerised?	could I have been polymerising? could you have been polymerising? could she have been polymerising? could we have been polymerising? could you have been polymerising? could they have been polymerising?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I polymerise? couldn't you polymerise? couldn't she polymerise? couldn't we polymerise? couldn't you polymerise? couldn't they polymerise?	couldn't I be polymerising? couldn't you be polymerising? couldn't she be polymerising? couldn't we be polymerising? couldn't you be polymerising? couldn't they be polymerising?
Perfeito	Perfeito com V-ing
couldn't I have polymerised? couldn't you have polymerised? couldn't she have polymerised? couldn't we have polymerised? couldn't you have polymerised? couldn't they have polymerised?	couldn't I have been polymerising? couldn't you have been polymerising? couldn't she have been polymerising? couldn't we have been polymerising? couldn't you have been polymerising? couldn't they have been polymerising?