English verb conjugation
COULD SLUR

Regular verb: slur - slurred - slurred

Affirmation

Simple form	V-ing form
I could slur you could slur he could slur we could slur you could slur they could slur	I could be slurring you could be slurring he could be slurring we could be slurring you could be slurring they could be slurring
Perfect	V-ing perfect
I could have slurred you could have slurred he could have slurred we could have slurred you could have slurred they could have slurred	I could have been slurring you could have been slurring he could have been slurring we could have been slurring you could have been slurring they could have been slurring

Negation

Simple form	V-ing form
I couldn't slur you couldn't slur he couldn't slur we couldn't slur you couldn't slur they couldn't slur	I couldn't be slurring you couldn't be slurring he couldn't be slurring we couldn't be slurring you couldn't be slurring they couldn't be slurring
Perfect	V-ing perfect
I couldn't have slurred you couldn't have slurred he couldn't have slurred we couldn't have slurred you couldn't have slurred they couldn't have slurred	I couldn't have been slurring you couldn't have been slurring he couldn't have been slurring we couldn't have been slurring you couldn't have been slurring they couldn't have been slurring

Interrogative form

Simple form	V-ing form
could I slur? could you slur? could he slur? could we slur? could you slur? could they slur?	could I be slurring? could you be slurring? could he be slurring? could we be slurring? could you be slurring? could they be slurring?
Perfect	V-ing perfect
could I have slurred? could you have slurred? could he have slurred? could we have slurred? could you have slurred? could they have slurred?	could I have been slurring? could you have been slurring? could he have been slurring? could we have been slurring? could you have been slurring? could they have been slurring?

Interro-negative form

Simple form	V-ing form
couldn't I slur? couldn't you slur? couldn't he slur? couldn't we slur? couldn't you slur? couldn't they slur?	couldn't I be slurring? couldn't you be slurring? couldn't he be slurring? couldn't we be slurring? couldn't you be slurring? couldn't they be slurring?
Perfect	V-ing perfect
couldn't I have slurred? couldn't you have slurred? couldn't he have slurred? couldn't we have slurred? couldn't you have slurred? couldn't they have slurred?	couldn't I have been slurring? couldn't you have been slurring? couldn't he have been slurring? couldn't we have been slurring? couldn't you have been slurring? couldn't they have been slurring?