English verb conjugation
COULD SCRIMSHAW

Regular verb: scrimshaw - scrimshawed - scrimshawed

Affirmation

Simple form	V-ing form
I could scrimshaw you could scrimshaw he could scrimshaw we could scrimshaw you could scrimshaw they could scrimshaw	I could be scrimshawing you could be scrimshawing he could be scrimshawing we could be scrimshawing you could be scrimshawing they could be scrimshawing
Perfect	V-ing perfect
I could have scrimshawed you could have scrimshawed he could have scrimshawed we could have scrimshawed you could have scrimshawed they could have scrimshawed	I could have been scrimshawing you could have been scrimshawing he could have been scrimshawing we could have been scrimshawing you could have been scrimshawing they could have been scrimshawing

Negation

Simple form	V-ing form
I could not scrimshaw you could not scrimshaw he could not scrimshaw we could not scrimshaw you could not scrimshaw they could not scrimshaw	I could not be scrimshawing you could not be scrimshawing he could not be scrimshawing we could not be scrimshawing you could not be scrimshawing they could not be scrimshawing
Perfect	V-ing perfect
I could not have scrimshawed you could not have scrimshawed he could not have scrimshawed we could not have scrimshawed you could not have scrimshawed they could not have scrimshawed	I could not have been scrimshawing you could not have been scrimshawing he could not have been scrimshawing we could not have been scrimshawing you could not have been scrimshawing they could not have been scrimshawing

Interrogative form

Simple form	V-ing form
could I scrimshaw? could you scrimshaw? could he scrimshaw? could we scrimshaw? could you scrimshaw? could they scrimshaw?	could I be scrimshawing? could you be scrimshawing? could he be scrimshawing? could we be scrimshawing? could you be scrimshawing? could they be scrimshawing?
Perfect	V-ing perfect
could I have scrimshawed? could you have scrimshawed? could he have scrimshawed? could we have scrimshawed? could you have scrimshawed? could they have scrimshawed?	could I have been scrimshawing? could you have been scrimshawing? could he have been scrimshawing? could we have been scrimshawing? could you have been scrimshawing? could they have been scrimshawing?

Interro-negative form

Simple form	V-ing form
could I not scrimshaw? could you not scrimshaw? could he not scrimshaw? could we not scrimshaw? could you not scrimshaw? could they not scrimshaw?	could I not be scrimshawing? could you not be scrimshawing? could he not be scrimshawing? could we not be scrimshawing? could you not be scrimshawing? could they not be scrimshawing?
Perfect	V-ing perfect
could I not have scrimshawed? could you not have scrimshawed? could he not have scrimshawed? could we not have scrimshawed? could you not have scrimshawed? could they not have scrimshawed?	could I not have been scrimshawing? could you not have been scrimshawing? could he not have been scrimshawing? could we not have been scrimshawing? could you not have been scrimshawing? could they not have been scrimshawing?