English verb conjugation
COULD BITT

Regular verb: bitt - bitted - bitted

Affirmation

Simple form	V-ing form
I could bitt you could bitt she could bitt we could bitt you could bitt they could bitt	I could be bitting you could be bitting she could be bitting we could be bitting you could be bitting they could be bitting
Perfect	V-ing perfect
I could have bitted you could have bitted she could have bitted we could have bitted you could have bitted they could have bitted	I could have been bitting you could have been bitting she could have been bitting we could have been bitting you could have been bitting they could have been bitting

Negation

Simple form	V-ing form
I couldn't bitt you couldn't bitt she couldn't bitt we couldn't bitt you couldn't bitt they couldn't bitt	I couldn't be bitting you couldn't be bitting she couldn't be bitting we couldn't be bitting you couldn't be bitting they couldn't be bitting
Perfect	V-ing perfect
I couldn't have bitted you couldn't have bitted she couldn't have bitted we couldn't have bitted you couldn't have bitted they couldn't have bitted	I couldn't have been bitting you couldn't have been bitting she couldn't have been bitting we couldn't have been bitting you couldn't have been bitting they couldn't have been bitting

Interrogative form

Simple form	V-ing form
could I bitt? could you bitt? could she bitt? could we bitt? could you bitt? could they bitt?	could I be bitting? could you be bitting? could she be bitting? could we be bitting? could you be bitting? could they be bitting?
Perfect	V-ing perfect
could I have bitted? could you have bitted? could she have bitted? could we have bitted? could you have bitted? could they have bitted?	could I have been bitting? could you have been bitting? could she have been bitting? could we have been bitting? could you have been bitting? could they have been bitting?

Interro-negative form

Simple form	V-ing form
couldn't I bitt? couldn't you bitt? couldn't she bitt? couldn't we bitt? couldn't you bitt? couldn't they bitt?	couldn't I be bitting? couldn't you be bitting? couldn't she be bitting? couldn't we be bitting? couldn't you be bitting? couldn't they be bitting?
Perfect	V-ing perfect
couldn't I have bitted? couldn't you have bitted? couldn't she have bitted? couldn't we have bitted? couldn't you have bitted? couldn't they have bitted?	couldn't I have been bitting? couldn't you have been bitting? couldn't she have been bitting? couldn't we have been bitting? couldn't you have been bitting? couldn't they have been bitting?