English verb conjugation
COULD ZOOM

Regular verb: zoom - zoomed - zoomed

Affirmation

Simple form	V-ing form
I could zoom you could zoom he could zoom we could zoom you could zoom they could zoom	I could be zooming you could be zooming he could be zooming we could be zooming you could be zooming they could be zooming
Perfect	V-ing perfect
I could have zoomed you could have zoomed he could have zoomed we could have zoomed you could have zoomed they could have zoomed	I could have been zooming you could have been zooming he could have been zooming we could have been zooming you could have been zooming they could have been zooming

Negation

Simple form	V-ing form
I couldn't zoom you couldn't zoom he couldn't zoom we couldn't zoom you couldn't zoom they couldn't zoom	I couldn't be zooming you couldn't be zooming he couldn't be zooming we couldn't be zooming you couldn't be zooming they couldn't be zooming
Perfect	V-ing perfect
I couldn't have zoomed you couldn't have zoomed he couldn't have zoomed we couldn't have zoomed you couldn't have zoomed they couldn't have zoomed	I couldn't have been zooming you couldn't have been zooming he couldn't have been zooming we couldn't have been zooming you couldn't have been zooming they couldn't have been zooming

Interrogative form

Simple form	V-ing form
could I zoom? could you zoom? could he zoom? could we zoom? could you zoom? could they zoom?	could I be zooming? could you be zooming? could he be zooming? could we be zooming? could you be zooming? could they be zooming?
Perfect	V-ing perfect
could I have zoomed? could you have zoomed? could he have zoomed? could we have zoomed? could you have zoomed? could they have zoomed?	could I have been zooming? could you have been zooming? could he have been zooming? could we have been zooming? could you have been zooming? could they have been zooming?

Interro-negative form

Simple form	V-ing form
couldn't I zoom? couldn't you zoom? couldn't he zoom? couldn't we zoom? couldn't you zoom? couldn't they zoom?	couldn't I be zooming? couldn't you be zooming? couldn't he be zooming? couldn't we be zooming? couldn't you be zooming? couldn't they be zooming?
Perfect	V-ing perfect
couldn't I have zoomed? couldn't you have zoomed? couldn't he have zoomed? couldn't we have zoomed? couldn't you have zoomed? couldn't they have zoomed?	couldn't I have been zooming? couldn't you have been zooming? couldn't he have been zooming? couldn't we have been zooming? couldn't you have been zooming? couldn't they have been zooming?