English verb conjugation
COULD CHAR

Regular verb: char - charred - charred

Affirmation

Simple form	V-ing form
I could char you could char she could char we could char you could char they could char	I could be charring you could be charring she could be charring we could be charring you could be charring they could be charring
Perfect	V-ing perfect
I could have charred you could have charred she could have charred we could have charred you could have charred they could have charred	I could have been charring you could have been charring she could have been charring we could have been charring you could have been charring they could have been charring

Negation

Simple form	V-ing form
I couldn't char you couldn't char she couldn't char we couldn't char you couldn't char they couldn't char	I couldn't be charring you couldn't be charring she couldn't be charring we couldn't be charring you couldn't be charring they couldn't be charring
Perfect	V-ing perfect
I couldn't have charred you couldn't have charred she couldn't have charred we couldn't have charred you couldn't have charred they couldn't have charred	I couldn't have been charring you couldn't have been charring she couldn't have been charring we couldn't have been charring you couldn't have been charring they couldn't have been charring

Interrogative form

Simple form	V-ing form
could I char? could you char? could she char? could we char? could you char? could they char?	could I be charring? could you be charring? could she be charring? could we be charring? could you be charring? could they be charring?
Perfect	V-ing perfect
could I have charred? could you have charred? could she have charred? could we have charred? could you have charred? could they have charred?	could I have been charring? could you have been charring? could she have been charring? could we have been charring? could you have been charring? could they have been charring?

Interro-negative form

Simple form	V-ing form
couldn't I char? couldn't you char? couldn't she char? couldn't we char? couldn't you char? couldn't they char?	couldn't I be charring? couldn't you be charring? couldn't she be charring? couldn't we be charring? couldn't you be charring? couldn't they be charring?
Perfect	V-ing perfect
couldn't I have charred? couldn't you have charred? couldn't she have charred? couldn't we have charred? couldn't you have charred? couldn't they have charred?	couldn't I have been charring? couldn't you have been charring? couldn't she have been charring? couldn't we have been charring? couldn't you have been charring? couldn't they have been charring?