English verb conjugation
COULD SYNOPSIZE

Regular verb: synopsize - synopsized - synopsized

Affirmation

Simple form	V-ing form
I could synopsize you could synopsize she could synopsize we could synopsize you could synopsize they could synopsize	I could be synopsizing you could be synopsizing she could be synopsizing we could be synopsizing you could be synopsizing they could be synopsizing
Perfect	V-ing perfect
I could have synopsized you could have synopsized she could have synopsized we could have synopsized you could have synopsized they could have synopsized	I could have been synopsizing you could have been synopsizing she could have been synopsizing we could have been synopsizing you could have been synopsizing they could have been synopsizing

Negation

Simple form	V-ing form
I couldn't synopsize you couldn't synopsize she couldn't synopsize we couldn't synopsize you couldn't synopsize they couldn't synopsize	I couldn't be synopsizing you couldn't be synopsizing she couldn't be synopsizing we couldn't be synopsizing you couldn't be synopsizing they couldn't be synopsizing
Perfect	V-ing perfect
I couldn't have synopsized you couldn't have synopsized she couldn't have synopsized we couldn't have synopsized you couldn't have synopsized they couldn't have synopsized	I couldn't have been synopsizing you couldn't have been synopsizing she couldn't have been synopsizing we couldn't have been synopsizing you couldn't have been synopsizing they couldn't have been synopsizing

Interrogative form

Simple form	V-ing form
could I synopsize? could you synopsize? could she synopsize? could we synopsize? could you synopsize? could they synopsize?	could I be synopsizing? could you be synopsizing? could she be synopsizing? could we be synopsizing? could you be synopsizing? could they be synopsizing?
Perfect	V-ing perfect
could I have synopsized? could you have synopsized? could she have synopsized? could we have synopsized? could you have synopsized? could they have synopsized?	could I have been synopsizing? could you have been synopsizing? could she have been synopsizing? could we have been synopsizing? could you have been synopsizing? could they have been synopsizing?

Interro-negative form

Simple form	V-ing form
couldn't I synopsize? couldn't you synopsize? couldn't she synopsize? couldn't we synopsize? couldn't you synopsize? couldn't they synopsize?	couldn't I be synopsizing? couldn't you be synopsizing? couldn't she be synopsizing? couldn't we be synopsizing? couldn't you be synopsizing? couldn't they be synopsizing?
Perfect	V-ing perfect
couldn't I have synopsized? couldn't you have synopsized? couldn't she have synopsized? couldn't we have synopsized? couldn't you have synopsized? couldn't they have synopsized?	couldn't I have been synopsizing? couldn't you have been synopsizing? couldn't she have been synopsizing? couldn't we have been synopsizing? couldn't you have been synopsizing? couldn't they have been synopsizing?