English verb conjugation
COULD SOBER

Regular verb: sober - sobered - sobered

Affirmation

Simple form	V-ing form
I could sober you could sober she could sober we could sober you could sober they could sober	I could be sobering you could be sobering she could be sobering we could be sobering you could be sobering they could be sobering
Perfect	V-ing perfect
I could have sobered you could have sobered she could have sobered we could have sobered you could have sobered they could have sobered	I could have been sobering you could have been sobering she could have been sobering we could have been sobering you could have been sobering they could have been sobering

Negation

Simple form	V-ing form
I couldn't sober you couldn't sober she couldn't sober we couldn't sober you couldn't sober they couldn't sober	I couldn't be sobering you couldn't be sobering she couldn't be sobering we couldn't be sobering you couldn't be sobering they couldn't be sobering
Perfect	V-ing perfect
I couldn't have sobered you couldn't have sobered she couldn't have sobered we couldn't have sobered you couldn't have sobered they couldn't have sobered	I couldn't have been sobering you couldn't have been sobering she couldn't have been sobering we couldn't have been sobering you couldn't have been sobering they couldn't have been sobering

Interrogative form

Simple form	V-ing form
could I sober? could you sober? could she sober? could we sober? could you sober? could they sober?	could I be sobering? could you be sobering? could she be sobering? could we be sobering? could you be sobering? could they be sobering?
Perfect	V-ing perfect
could I have sobered? could you have sobered? could she have sobered? could we have sobered? could you have sobered? could they have sobered?	could I have been sobering? could you have been sobering? could she have been sobering? could we have been sobering? could you have been sobering? could they have been sobering?

Interro-negative form

Simple form	V-ing form
couldn't I sober? couldn't you sober? couldn't she sober? couldn't we sober? couldn't you sober? couldn't they sober?	couldn't I be sobering? couldn't you be sobering? couldn't she be sobering? couldn't we be sobering? couldn't you be sobering? couldn't they be sobering?
Perfect	V-ing perfect
couldn't I have sobered? couldn't you have sobered? couldn't she have sobered? couldn't we have sobered? couldn't you have sobered? couldn't they have sobered?	couldn't I have been sobering? couldn't you have been sobering? couldn't she have been sobering? couldn't we have been sobering? couldn't you have been sobering? couldn't they have been sobering?