English verb conjugation
COULD SHAPE

Regular verb: shape - shaped - shaped

Affirmation

Simple form	V-ing form
I could shape you could shape he could shape we could shape you could shape they could shape	I could be shaping you could be shaping he could be shaping we could be shaping you could be shaping they could be shaping
Perfect	V-ing perfect
I could have shaped you could have shaped he could have shaped we could have shaped you could have shaped they could have shaped	I could have been shaping you could have been shaping he could have been shaping we could have been shaping you could have been shaping they could have been shaping

Negation

Simple form	V-ing form
I couldn't shape you couldn't shape he couldn't shape we couldn't shape you couldn't shape they couldn't shape	I couldn't be shaping you couldn't be shaping he couldn't be shaping we couldn't be shaping you couldn't be shaping they couldn't be shaping
Perfect	V-ing perfect
I couldn't have shaped you couldn't have shaped he couldn't have shaped we couldn't have shaped you couldn't have shaped they couldn't have shaped	I couldn't have been shaping you couldn't have been shaping he couldn't have been shaping we couldn't have been shaping you couldn't have been shaping they couldn't have been shaping

Interrogative form

Simple form	V-ing form
could I shape? could you shape? could he shape? could we shape? could you shape? could they shape?	could I be shaping? could you be shaping? could he be shaping? could we be shaping? could you be shaping? could they be shaping?
Perfect	V-ing perfect
could I have shaped? could you have shaped? could he have shaped? could we have shaped? could you have shaped? could they have shaped?	could I have been shaping? could you have been shaping? could he have been shaping? could we have been shaping? could you have been shaping? could they have been shaping?

Interro-negative form

Simple form	V-ing form
couldn't I shape? couldn't you shape? couldn't he shape? couldn't we shape? couldn't you shape? couldn't they shape?	couldn't I be shaping? couldn't you be shaping? couldn't he be shaping? couldn't we be shaping? couldn't you be shaping? couldn't they be shaping?
Perfect	V-ing perfect
couldn't I have shaped? couldn't you have shaped? couldn't he have shaped? couldn't we have shaped? couldn't you have shaped? couldn't they have shaped?	couldn't I have been shaping? couldn't you have been shaping? couldn't he have been shaping? couldn't we have been shaping? couldn't you have been shaping? couldn't they have been shaping?