English verb conjugation
COULD SPOOK

Regular verb: spook - spooked - spooked

Affirmation

Simple form	V-ing form
I could spook you could spook he could spook we could spook you could spook they could spook	I could be spooking you could be spooking he could be spooking we could be spooking you could be spooking they could be spooking
Perfect	V-ing perfect
I could have spooked you could have spooked he could have spooked we could have spooked you could have spooked they could have spooked	I could have been spooking you could have been spooking he could have been spooking we could have been spooking you could have been spooking they could have been spooking

Negation

Simple form	V-ing form
I couldn't spook you couldn't spook he couldn't spook we couldn't spook you couldn't spook they couldn't spook	I couldn't be spooking you couldn't be spooking he couldn't be spooking we couldn't be spooking you couldn't be spooking they couldn't be spooking
Perfect	V-ing perfect
I couldn't have spooked you couldn't have spooked he couldn't have spooked we couldn't have spooked you couldn't have spooked they couldn't have spooked	I couldn't have been spooking you couldn't have been spooking he couldn't have been spooking we couldn't have been spooking you couldn't have been spooking they couldn't have been spooking

Interrogative form

Simple form	V-ing form
could I spook? could you spook? could he spook? could we spook? could you spook? could they spook?	could I be spooking? could you be spooking? could he be spooking? could we be spooking? could you be spooking? could they be spooking?
Perfect	V-ing perfect
could I have spooked? could you have spooked? could he have spooked? could we have spooked? could you have spooked? could they have spooked?	could I have been spooking? could you have been spooking? could he have been spooking? could we have been spooking? could you have been spooking? could they have been spooking?

Interro-negative form

Simple form	V-ing form
couldn't I spook? couldn't you spook? couldn't he spook? couldn't we spook? couldn't you spook? couldn't they spook?	couldn't I be spooking? couldn't you be spooking? couldn't he be spooking? couldn't we be spooking? couldn't you be spooking? couldn't they be spooking?
Perfect	V-ing perfect
couldn't I have spooked? couldn't you have spooked? couldn't he have spooked? couldn't we have spooked? couldn't you have spooked? couldn't they have spooked?	couldn't I have been spooking? couldn't you have been spooking? couldn't he have been spooking? couldn't we have been spooking? couldn't you have been spooking? couldn't they have been spooking?