English verb conjugation
COULD SIDESLIP

Regular verb: sideslip - sidesliped - sidesliped

Affirmation

Simple form	V-ing form
I could sideslip you could sideslip she could sideslip we could sideslip you could sideslip they could sideslip	I could be sidesliping you could be sidesliping she 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 she 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 she 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 she 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 she 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 she 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 she 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 she sideslip? could we sideslip? could you sideslip? could they sideslip?	could I be sidesliping? could you be sidesliping? could she 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 she 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 she 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 she 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 she 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 she 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 she have been sidesliping? couldn't we have been sidesliping? couldn't you have been sidesliping? couldn't they have been sidesliping?