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 couldn't scrimshaw you couldn't scrimshaw he couldn't scrimshaw we couldn't scrimshaw you couldn't scrimshaw they couldn't scrimshaw	I couldn't be scrimshawing you couldn't be scrimshawing he couldn't be scrimshawing we couldn't be scrimshawing you couldn't be scrimshawing they couldn't be scrimshawing
Perfect	V-ing perfect
I couldn't have scrimshawed you couldn't have scrimshawed he couldn't have scrimshawed we couldn't have scrimshawed you couldn't have scrimshawed they couldn't have scrimshawed	I couldn't have been scrimshawing you couldn't have been scrimshawing he couldn't have been scrimshawing we couldn't have been scrimshawing you couldn't have been scrimshawing they couldn't 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
couldn't I scrimshaw? couldn't you scrimshaw? couldn't he scrimshaw? couldn't we scrimshaw? couldn't you scrimshaw? couldn't they scrimshaw?	couldn't I be scrimshawing? couldn't you be scrimshawing? couldn't he be scrimshawing? couldn't we be scrimshawing? couldn't you be scrimshawing? couldn't they be scrimshawing?
Perfect	V-ing perfect
couldn't I have scrimshawed? couldn't you have scrimshawed? couldn't he have scrimshawed? couldn't we have scrimshawed? couldn't you have scrimshawed? couldn't they have scrimshawed?	couldn't I have been scrimshawing? couldn't you have been scrimshawing? couldn't he have been scrimshawing? couldn't we have been scrimshawing? couldn't you have been scrimshawing? couldn't they have been scrimshawing?