I could sculpt you could sculpt he could sculpt we could sculpt you could sculpt they could sculpt
V-ing form
I could be sculpting you could be sculpting he could be sculpting we could be sculpting you could be sculpting they could be sculpting
Perfect
I could have sculpted you could have sculpted he could have sculpted we could have sculpted you could have sculpted they could have sculpted
V-ing perfect
I could have been sculpting you could have been sculpting he could have been sculpting we could have been sculpting you could have been sculpting they could have been sculpting
Negation
Simple form
I could not sculpt you could not sculpt he could not sculpt we could not sculpt you could not sculpt they could not sculpt
V-ing form
I could not be sculpting you could not be sculpting he could not be sculpting we could not be sculpting you could not be sculpting they could not be sculpting
Perfect
I could not have sculpted you could not have sculpted he could not have sculpted we could not have sculpted you could not have sculpted they could not have sculpted
V-ing perfect
I could not have been sculpting you could not have been sculpting he could not have been sculpting we could not have been sculpting you could not have been sculpting they could not have been sculpting
Interrogative form
Simple form
could I sculpt? could you sculpt? could he sculpt? could we sculpt? could you sculpt? could they sculpt?
V-ing form
could I be sculpting? could you be sculpting? could he be sculpting? could we be sculpting? could you be sculpting? could they be sculpting?
Perfect
could I have sculpted? could you have sculpted? could he have sculpted? could we have sculpted? could you have sculpted? could they have sculpted?
V-ing perfect
could I have been sculpting? could you have been sculpting? could he have been sculpting? could we have been sculpting? could you have been sculpting? could they have been sculpting?
Interro-negative form
Simple form
could I not sculpt? could you not sculpt? could he not sculpt? could we not sculpt? could you not sculpt? could they not sculpt?
V-ing form
could I not be sculpting? could you not be sculpting? could he not be sculpting? could we not be sculpting? could you not be sculpting? could they not be sculpting?
Perfect
could I not have sculpted? could you not have sculpted? could he not have sculpted? could we not have sculpted? could you not have sculpted? could they not have sculpted?
V-ing perfect
could I not have been sculpting? could you not have been sculpting? could he not have been sculpting? could we not have been sculpting? could you not have been sculpting? could they not have been sculpting?