English verb conjugation
COULD TATTOO

Regular verb: tattoo - tattooed - tattooed

Affirmation

Simple form	V-ing form
I could tattoo you could tattoo he could tattoo we could tattoo you could tattoo they could tattoo	I could be tattooing you could be tattooing he could be tattooing we could be tattooing you could be tattooing they could be tattooing
Perfect	V-ing perfect
I could have tattooed you could have tattooed he could have tattooed we could have tattooed you could have tattooed they could have tattooed	I could have been tattooing you could have been tattooing he could have been tattooing we could have been tattooing you could have been tattooing they could have been tattooing

Negation

Simple form	V-ing form
I couldn't tattoo you couldn't tattoo he couldn't tattoo we couldn't tattoo you couldn't tattoo they couldn't tattoo	I couldn't be tattooing you couldn't be tattooing he couldn't be tattooing we couldn't be tattooing you couldn't be tattooing they couldn't be tattooing
Perfect	V-ing perfect
I couldn't have tattooed you couldn't have tattooed he couldn't have tattooed we couldn't have tattooed you couldn't have tattooed they couldn't have tattooed	I couldn't have been tattooing you couldn't have been tattooing he couldn't have been tattooing we couldn't have been tattooing you couldn't have been tattooing they couldn't have been tattooing

Interrogative form

Simple form	V-ing form
could I tattoo? could you tattoo? could he tattoo? could we tattoo? could you tattoo? could they tattoo?	could I be tattooing? could you be tattooing? could he be tattooing? could we be tattooing? could you be tattooing? could they be tattooing?
Perfect	V-ing perfect
could I have tattooed? could you have tattooed? could he have tattooed? could we have tattooed? could you have tattooed? could they have tattooed?	could I have been tattooing? could you have been tattooing? could he have been tattooing? could we have been tattooing? could you have been tattooing? could they have been tattooing?

Interro-negative form

Simple form	V-ing form
couldn't I tattoo? couldn't you tattoo? couldn't he tattoo? couldn't we tattoo? couldn't you tattoo? couldn't they tattoo?	couldn't I be tattooing? couldn't you be tattooing? couldn't he be tattooing? couldn't we be tattooing? couldn't you be tattooing? couldn't they be tattooing?
Perfect	V-ing perfect
couldn't I have tattooed? couldn't you have tattooed? couldn't he have tattooed? couldn't we have tattooed? couldn't you have tattooed? couldn't they have tattooed?	couldn't I have been tattooing? couldn't you have been tattooing? couldn't he have been tattooing? couldn't we have been tattooing? couldn't you have been tattooing? couldn't they have been tattooing?