English verb conjugation
COULD SYNCRETIZE

Regular verb: syncretize - syncretized - syncretized

Affirmation

Simple form	V-ing form
I could syncretize you could syncretize he could syncretize we could syncretize you could syncretize they could syncretize	I could be syncretizing you could be syncretizing he could be syncretizing we could be syncretizing you could be syncretizing they could be syncretizing
Perfect	V-ing perfect
I could have syncretized you could have syncretized he could have syncretized we could have syncretized you could have syncretized they could have syncretized	I could have been syncretizing you could have been syncretizing he could have been syncretizing we could have been syncretizing you could have been syncretizing they could have been syncretizing

Negation

Simple form	V-ing form
I couldn't syncretize you couldn't syncretize he couldn't syncretize we couldn't syncretize you couldn't syncretize they couldn't syncretize	I couldn't be syncretizing you couldn't be syncretizing he couldn't be syncretizing we couldn't be syncretizing you couldn't be syncretizing they couldn't be syncretizing
Perfect	V-ing perfect
I couldn't have syncretized you couldn't have syncretized he couldn't have syncretized we couldn't have syncretized you couldn't have syncretized they couldn't have syncretized	I couldn't have been syncretizing you couldn't have been syncretizing he couldn't have been syncretizing we couldn't have been syncretizing you couldn't have been syncretizing they couldn't have been syncretizing

Interrogative form

Simple form	V-ing form
could I syncretize? could you syncretize? could he syncretize? could we syncretize? could you syncretize? could they syncretize?	could I be syncretizing? could you be syncretizing? could he be syncretizing? could we be syncretizing? could you be syncretizing? could they be syncretizing?
Perfect	V-ing perfect
could I have syncretized? could you have syncretized? could he have syncretized? could we have syncretized? could you have syncretized? could they have syncretized?	could I have been syncretizing? could you have been syncretizing? could he have been syncretizing? could we have been syncretizing? could you have been syncretizing? could they have been syncretizing?

Interro-negative form

Simple form	V-ing form
couldn't I syncretize? couldn't you syncretize? couldn't he syncretize? couldn't we syncretize? couldn't you syncretize? couldn't they syncretize?	couldn't I be syncretizing? couldn't you be syncretizing? couldn't he be syncretizing? couldn't we be syncretizing? couldn't you be syncretizing? couldn't they be syncretizing?
Perfect	V-ing perfect
couldn't I have syncretized? couldn't you have syncretized? couldn't he have syncretized? couldn't we have syncretized? couldn't you have syncretized? couldn't they have syncretized?	couldn't I have been syncretizing? couldn't you have been syncretizing? couldn't he have been syncretizing? couldn't we have been syncretizing? couldn't you have been syncretizing? couldn't they have been syncretizing?