English verb conjugation
COULD SIDESLIP

Regular verb: sideslip - sidesliped - sidesliped

Affirmation

Simple form	V-ing form
I could sideslip you could sideslip he could sideslip we could sideslip you could sideslip they could sideslip	I could be sidesliping you could be sidesliping he could be sidesliping we could be sidesliping you could be sidesliping they could be sidesliping
Perfect	V-ing perfect
I could have sidesliped you could have sidesliped he could have sidesliped we could have sidesliped you could have sidesliped they could have sidesliped	I could have been sidesliping you could have been sidesliping he could have been sidesliping we could have been sidesliping you could have been sidesliping they could have been sidesliping

Negation

Simple form	V-ing form
I could not sideslip you could not sideslip he could not sideslip we could not sideslip you could not sideslip they could not sideslip	I could not be sidesliping you could not be sidesliping he could not be sidesliping we could not be sidesliping you could not be sidesliping they could not be sidesliping
Perfect	V-ing perfect
I could not have sidesliped you could not have sidesliped he could not have sidesliped we could not have sidesliped you could not have sidesliped they could not have sidesliped	I could not have been sidesliping you could not have been sidesliping he could not have been sidesliping we could not have been sidesliping you could not have been sidesliping they could not have been sidesliping

Interrogative form

Simple form	V-ing form
could I sideslip? could you sideslip? could he sideslip? could we sideslip? could you sideslip? could they sideslip?	could I be sidesliping? could you be sidesliping? could he be sidesliping? could we be sidesliping? could you be sidesliping? could they be sidesliping?
Perfect	V-ing perfect
could I have sidesliped? could you have sidesliped? could he have sidesliped? could we have sidesliped? could you have sidesliped? could they have sidesliped?	could I have been sidesliping? could you have been sidesliping? could he have been sidesliping? could we have been sidesliping? could you have been sidesliping? could they have been sidesliping?

Interro-negative form

Simple form	V-ing form
could I not sideslip? could you not sideslip? could he not sideslip? could we not sideslip? could you not sideslip? could they not sideslip?	could I not be sidesliping? could you not be sidesliping? could he not be sidesliping? could we not be sidesliping? could you not be sidesliping? could they not be sidesliping?
Perfect	V-ing perfect
could I not have sidesliped? could you not have sidesliped? could he not have sidesliped? could we not have sidesliped? could you not have sidesliped? could they not have sidesliped?	could I not have been sidesliping? could you not have been sidesliping? could he not have been sidesliping? could we not have been sidesliping? could you not have been sidesliping? could they not have been sidesliping?