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 couldn't sideslip you couldn't sideslip he couldn't sideslip we couldn't sideslip you couldn't sideslip they couldn't sideslip	I couldn't be sidesliping you couldn't be sidesliping he couldn't be sidesliping we couldn't be sidesliping you couldn't be sidesliping they couldn't be sidesliping
Perfect	V-ing perfect
I couldn't have sidesliped you couldn't have sidesliped he couldn't have sidesliped we couldn't have sidesliped you couldn't have sidesliped they couldn't have sidesliped	I couldn't have been sidesliping you couldn't have been sidesliping he couldn't have been sidesliping we couldn't have been sidesliping you couldn't have been sidesliping they couldn't 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
couldn't I sideslip? couldn't you sideslip? couldn't he sideslip? couldn't we sideslip? couldn't you sideslip? couldn't they sideslip?	couldn't I be sidesliping? couldn't you be sidesliping? couldn't he be sidesliping? couldn't we be sidesliping? couldn't you be sidesliping? couldn't they be sidesliping?
Perfect	V-ing perfect
couldn't I have sidesliped? couldn't you have sidesliped? couldn't he have sidesliped? couldn't we have sidesliped? couldn't you have sidesliped? couldn't they have sidesliped?	couldn't I have been sidesliping? couldn't you have been sidesliping? couldn't he have been sidesliping? couldn't we have been sidesliping? couldn't you have been sidesliping? couldn't they have been sidesliping?