English verb conjugation
COULD CHORUS

Regular verb: chorus - chorused - chorused

Affirmation

Simple form	V-ing form
I could chorus you could chorus she could chorus we could chorus you could chorus they could chorus	I could be chorusing you could be chorusing she could be chorusing we could be chorusing you could be chorusing they could be chorusing
Perfect	V-ing perfect
I could have chorused you could have chorused she could have chorused we could have chorused you could have chorused they could have chorused	I could have been chorusing you could have been chorusing she could have been chorusing we could have been chorusing you could have been chorusing they could have been chorusing

Negation

Simple form	V-ing form
I couldn't chorus you couldn't chorus she couldn't chorus we couldn't chorus you couldn't chorus they couldn't chorus	I couldn't be chorusing you couldn't be chorusing she couldn't be chorusing we couldn't be chorusing you couldn't be chorusing they couldn't be chorusing
Perfect	V-ing perfect
I couldn't have chorused you couldn't have chorused she couldn't have chorused we couldn't have chorused you couldn't have chorused they couldn't have chorused	I couldn't have been chorusing you couldn't have been chorusing she couldn't have been chorusing we couldn't have been chorusing you couldn't have been chorusing they couldn't have been chorusing

Interrogative form

Simple form	V-ing form
could I chorus? could you chorus? could she chorus? could we chorus? could you chorus? could they chorus?	could I be chorusing? could you be chorusing? could she be chorusing? could we be chorusing? could you be chorusing? could they be chorusing?
Perfect	V-ing perfect
could I have chorused? could you have chorused? could she have chorused? could we have chorused? could you have chorused? could they have chorused?	could I have been chorusing? could you have been chorusing? could she have been chorusing? could we have been chorusing? could you have been chorusing? could they have been chorusing?

Interro-negative form

Simple form	V-ing form
couldn't I chorus? couldn't you chorus? couldn't she chorus? couldn't we chorus? couldn't you chorus? couldn't they chorus?	couldn't I be chorusing? couldn't you be chorusing? couldn't she be chorusing? couldn't we be chorusing? couldn't you be chorusing? couldn't they be chorusing?
Perfect	V-ing perfect
couldn't I have chorused? couldn't you have chorused? couldn't she have chorused? couldn't we have chorused? couldn't you have chorused? couldn't they have chorused?	couldn't I have been chorusing? couldn't you have been chorusing? couldn't she have been chorusing? couldn't we have been chorusing? couldn't you have been chorusing? couldn't they have been chorusing?