Conjugaison du verbe anglais
COULD SISE

Verbe régulier : sise - sised - sised

Affirmation

Forme simple	Forme en V-ing
I could sise you could sise she could sise we could sise you could sise they could sise	I could be sising you could be sising she could be sising we could be sising you could be sising they could be sising
Perfect	Perfect en V-ing
I could have sised you could have sised she could have sised we could have sised you could have sised they could have sised	I could have been sising you could have been sising she could have been sising we could have been sising you could have been sising they could have been sising

Négation

Forme simple	Forme en V-ing
I could not sise you could not sise she could not sise we could not sise you could not sise they could not sise	I could not be sising you could not be sising she could not be sising we could not be sising you could not be sising they could not be sising
Perfect	Perfect en V-ing
I could not have sised you could not have sised she could not have sised we could not have sised you could not have sised they could not have sised	I could not have been sising you could not have been sising she could not have been sising we could not have been sising you could not have been sising they could not have been sising

Forme interrogative

Forme simple	Forme en V-ing
could I sise? could you sise? could she sise? could we sise? could you sise? could they sise?	could I be sising? could you be sising? could she be sising? could we be sising? could you be sising? could they be sising?
Perfect	Perfect en V-ing
could I have sised? could you have sised? could she have sised? could we have sised? could you have sised? could they have sised?	could I have been sising? could you have been sising? could she have been sising? could we have been sising? could you have been sising? could they have been sising?

Forme interro-négative

Forme simple	Forme en V-ing
could I not sise? could you not sise? could she not sise? could we not sise? could you not sise? could they not sise?	could I not be sising? could you not be sising? could she not be sising? could we not be sising? could you not be sising? could they not be sising?
Perfect	Perfect en V-ing
could I not have sised? could you not have sised? could she not have sised? could we not have sised? could you not have sised? could they not have sised?	could I not have been sising? could you not have been sising? could she not have been sising? could we not have been sising? could you not have been sising? could they not have been sising?