Conjugação do verbo inglês
COULD POLYMERISE

Verbo regular: polymerise - polymerised - polymerised

Afirmação

Forma simple	Forma com V-ing
I could polymerise you could polymerise he could polymerise we could polymerise you could polymerise they could polymerise	I could be polymerising you could be polymerising he 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 he 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 he 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 he 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 he 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 he 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 he 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 he polymerise? could we polymerise? could you polymerise? could they polymerise?	could I be polymerising? could you be polymerising? could he 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 he 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 he 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 he 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 he 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 he 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 he have been polymerising? couldn't we have been polymerising? couldn't you have been polymerising? couldn't they have been polymerising?