could polymerise
Verbe régulier : polymerise - polymerised- polymerised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	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?