English verb conjugation
COULD SHOULDER

Regular verb: shoulder - shouldered - shouldered

Affirmation

Simple form	V-ing form
I could shoulder you could shoulder she could shoulder we could shoulder you could shoulder they could shoulder	I could be shouldering you could be shouldering she could be shouldering we could be shouldering you could be shouldering they could be shouldering
Perfect	V-ing perfect
I could have shouldered you could have shouldered she could have shouldered we could have shouldered you could have shouldered they could have shouldered	I could have been shouldering you could have been shouldering she could have been shouldering we could have been shouldering you could have been shouldering they could have been shouldering

Negation

Simple form	V-ing form
I couldn't shoulder you couldn't shoulder she couldn't shoulder we couldn't shoulder you couldn't shoulder they couldn't shoulder	I couldn't be shouldering you couldn't be shouldering she couldn't be shouldering we couldn't be shouldering you couldn't be shouldering they couldn't be shouldering
Perfect	V-ing perfect
I couldn't have shouldered you couldn't have shouldered she couldn't have shouldered we couldn't have shouldered you couldn't have shouldered they couldn't have shouldered	I couldn't have been shouldering you couldn't have been shouldering she couldn't have been shouldering we couldn't have been shouldering you couldn't have been shouldering they couldn't have been shouldering

Interrogative form

Simple form	V-ing form
could I shoulder? could you shoulder? could she shoulder? could we shoulder? could you shoulder? could they shoulder?	could I be shouldering? could you be shouldering? could she be shouldering? could we be shouldering? could you be shouldering? could they be shouldering?
Perfect	V-ing perfect
could I have shouldered? could you have shouldered? could she have shouldered? could we have shouldered? could you have shouldered? could they have shouldered?	could I have been shouldering? could you have been shouldering? could she have been shouldering? could we have been shouldering? could you have been shouldering? could they have been shouldering?

Interro-negative form

Simple form	V-ing form
couldn't I shoulder? couldn't you shoulder? couldn't she shoulder? couldn't we shoulder? couldn't you shoulder? couldn't they shoulder?	couldn't I be shouldering? couldn't you be shouldering? couldn't she be shouldering? couldn't we be shouldering? couldn't you be shouldering? couldn't they be shouldering?
Perfect	V-ing perfect
couldn't I have shouldered? couldn't you have shouldered? couldn't she have shouldered? couldn't we have shouldered? couldn't you have shouldered? couldn't they have shouldered?	couldn't I have been shouldering? couldn't you have been shouldering? couldn't she have been shouldering? couldn't we have been shouldering? couldn't you have been shouldering? couldn't they have been shouldering?