English verb conjugation
COULD UPTILT

Regular verb: uptilt - uptilted - uptilted

Affirmation

Simple form	V-ing form
I could uptilt you could uptilt she could uptilt we could uptilt you could uptilt they could uptilt	I could be uptilting you could be uptilting she could be uptilting we could be uptilting you could be uptilting they could be uptilting
Perfect	V-ing perfect
I could have uptilted you could have uptilted she could have uptilted we could have uptilted you could have uptilted they could have uptilted	I could have been uptilting you could have been uptilting she could have been uptilting we could have been uptilting you could have been uptilting they could have been uptilting

Negation

Simple form	V-ing form
I couldn't uptilt you couldn't uptilt she couldn't uptilt we couldn't uptilt you couldn't uptilt they couldn't uptilt	I couldn't be uptilting you couldn't be uptilting she couldn't be uptilting we couldn't be uptilting you couldn't be uptilting they couldn't be uptilting
Perfect	V-ing perfect
I couldn't have uptilted you couldn't have uptilted she couldn't have uptilted we couldn't have uptilted you couldn't have uptilted they couldn't have uptilted	I couldn't have been uptilting you couldn't have been uptilting she couldn't have been uptilting we couldn't have been uptilting you couldn't have been uptilting they couldn't have been uptilting

Interrogative form

Simple form	V-ing form
could I uptilt? could you uptilt? could she uptilt? could we uptilt? could you uptilt? could they uptilt?	could I be uptilting? could you be uptilting? could she be uptilting? could we be uptilting? could you be uptilting? could they be uptilting?
Perfect	V-ing perfect
could I have uptilted? could you have uptilted? could she have uptilted? could we have uptilted? could you have uptilted? could they have uptilted?	could I have been uptilting? could you have been uptilting? could she have been uptilting? could we have been uptilting? could you have been uptilting? could they have been uptilting?

Interro-negative form

Simple form	V-ing form
couldn't I uptilt? couldn't you uptilt? couldn't she uptilt? couldn't we uptilt? couldn't you uptilt? couldn't they uptilt?	couldn't I be uptilting? couldn't you be uptilting? couldn't she be uptilting? couldn't we be uptilting? couldn't you be uptilting? couldn't they be uptilting?
Perfect	V-ing perfect
couldn't I have uptilted? couldn't you have uptilted? couldn't she have uptilted? couldn't we have uptilted? couldn't you have uptilted? couldn't they have uptilted?	couldn't I have been uptilting? couldn't you have been uptilting? couldn't she have been uptilting? couldn't we have been uptilting? couldn't you have been uptilting? couldn't they have been uptilting?