English verb conjugation
COULD SINICISE

Regular verb: sinicise - sinicised - sinicised

Affirmation

Simple form	V-ing form
I could sinicise you could sinicise he could sinicise we could sinicise you could sinicise they could sinicise	I could be sinicising you could be sinicising he could be sinicising we could be sinicising you could be sinicising they could be sinicising
Perfect	V-ing perfect
I could have sinicised you could have sinicised he could have sinicised we could have sinicised you could have sinicised they could have sinicised	I could have been sinicising you could have been sinicising he could have been sinicising we could have been sinicising you could have been sinicising they could have been sinicising

Negation

Simple form	V-ing form
I could not sinicise you could not sinicise he could not sinicise we could not sinicise you could not sinicise they could not sinicise	I could not be sinicising you could not be sinicising he could not be sinicising we could not be sinicising you could not be sinicising they could not be sinicising
Perfect	V-ing perfect
I could not have sinicised you could not have sinicised he could not have sinicised we could not have sinicised you could not have sinicised they could not have sinicised	I could not have been sinicising you could not have been sinicising he could not have been sinicising we could not have been sinicising you could not have been sinicising they could not have been sinicising

Interrogative form

Simple form	V-ing form
could I sinicise? could you sinicise? could he sinicise? could we sinicise? could you sinicise? could they sinicise?	could I be sinicising? could you be sinicising? could he be sinicising? could we be sinicising? could you be sinicising? could they be sinicising?
Perfect	V-ing perfect
could I have sinicised? could you have sinicised? could he have sinicised? could we have sinicised? could you have sinicised? could they have sinicised?	could I have been sinicising? could you have been sinicising? could he have been sinicising? could we have been sinicising? could you have been sinicising? could they have been sinicising?

Interro-negative form

Simple form	V-ing form
could I not sinicise? could you not sinicise? could he not sinicise? could we not sinicise? could you not sinicise? could they not sinicise?	could I not be sinicising? could you not be sinicising? could he not be sinicising? could we not be sinicising? could you not be sinicising? could they not be sinicising?
Perfect	V-ing perfect
could I not have sinicised? could you not have sinicised? could he not have sinicised? could we not have sinicised? could you not have sinicised? could they not have sinicised?	could I not have been sinicising? could you not have been sinicising? could he not have been sinicising? could we not have been sinicising? could you not have been sinicising? could they not have been sinicising?