English verb conjugation
COULD SINICIZE

Regular verb: sinicize - sinicized - sinicized

Affirmation

Simple form	V-ing form
I could sinicize you could sinicize she could sinicize we could sinicize you could sinicize they could sinicize	I could be sinicizing you could be sinicizing she could be sinicizing we could be sinicizing you could be sinicizing they could be sinicizing
Perfect	V-ing perfect
I could have sinicized you could have sinicized she could have sinicized we could have sinicized you could have sinicized they could have sinicized	I could have been sinicizing you could have been sinicizing she could have been sinicizing we could have been sinicizing you could have been sinicizing they could have been sinicizing

Negation

Simple form	V-ing form
I could not sinicize you could not sinicize she could not sinicize we could not sinicize you could not sinicize they could not sinicize	I could not be sinicizing you could not be sinicizing she could not be sinicizing we could not be sinicizing you could not be sinicizing they could not be sinicizing
Perfect	V-ing perfect
I could not have sinicized you could not have sinicized she could not have sinicized we could not have sinicized you could not have sinicized they could not have sinicized	I could not have been sinicizing you could not have been sinicizing she could not have been sinicizing we could not have been sinicizing you could not have been sinicizing they could not have been sinicizing

Interrogative form

Simple form	V-ing form
could I sinicize? could you sinicize? could she sinicize? could we sinicize? could you sinicize? could they sinicize?	could I be sinicizing? could you be sinicizing? could she be sinicizing? could we be sinicizing? could you be sinicizing? could they be sinicizing?
Perfect	V-ing perfect
could I have sinicized? could you have sinicized? could she have sinicized? could we have sinicized? could you have sinicized? could they have sinicized?	could I have been sinicizing? could you have been sinicizing? could she have been sinicizing? could we have been sinicizing? could you have been sinicizing? could they have been sinicizing?

Interro-negative form

Simple form	V-ing form
could I not sinicize? could you not sinicize? could she not sinicize? could we not sinicize? could you not sinicize? could they not sinicize?	could I not be sinicizing? could you not be sinicizing? could she not be sinicizing? could we not be sinicizing? could you not be sinicizing? could they not be sinicizing?
Perfect	V-ing perfect
could I not have sinicized? could you not have sinicized? could she not have sinicized? could we not have sinicized? could you not have sinicized? could they not have sinicized?	could I not have been sinicizing? could you not have been sinicizing? could she not have been sinicizing? could we not have been sinicizing? could you not have been sinicizing? could they not have been sinicizing?