English verb conjugation
COULD HERNIATE

Regular verb: herniate - herniated - herniated

Affirmation

Simple form	V-ing form
I could herniate you could herniate he could herniate we could herniate you could herniate they could herniate	I could be herniating you could be herniating he could be herniating we could be herniating you could be herniating they could be herniating
Perfect	V-ing perfect
I could have herniated you could have herniated he could have herniated we could have herniated you could have herniated they could have herniated	I could have been herniating you could have been herniating he could have been herniating we could have been herniating you could have been herniating they could have been herniating

Negation

Simple form	V-ing form
I couldn't herniate you couldn't herniate he couldn't herniate we couldn't herniate you couldn't herniate they couldn't herniate	I couldn't be herniating you couldn't be herniating he couldn't be herniating we couldn't be herniating you couldn't be herniating they couldn't be herniating
Perfect	V-ing perfect
I couldn't have herniated you couldn't have herniated he couldn't have herniated we couldn't have herniated you couldn't have herniated they couldn't have herniated	I couldn't have been herniating you couldn't have been herniating he couldn't have been herniating we couldn't have been herniating you couldn't have been herniating they couldn't have been herniating

Interrogative form

Simple form	V-ing form
could I herniate? could you herniate? could he herniate? could we herniate? could you herniate? could they herniate?	could I be herniating? could you be herniating? could he be herniating? could we be herniating? could you be herniating? could they be herniating?
Perfect	V-ing perfect
could I have herniated? could you have herniated? could he have herniated? could we have herniated? could you have herniated? could they have herniated?	could I have been herniating? could you have been herniating? could he have been herniating? could we have been herniating? could you have been herniating? could they have been herniating?

Interro-negative form

Simple form	V-ing form
couldn't I herniate? couldn't you herniate? couldn't he herniate? couldn't we herniate? couldn't you herniate? couldn't they herniate?	couldn't I be herniating? couldn't you be herniating? couldn't he be herniating? couldn't we be herniating? couldn't you be herniating? couldn't they be herniating?
Perfect	V-ing perfect
couldn't I have herniated? couldn't you have herniated? couldn't he have herniated? couldn't we have herniated? couldn't you have herniated? couldn't they have herniated?	couldn't I have been herniating? couldn't you have been herniating? couldn't he have been herniating? couldn't we have been herniating? couldn't you have been herniating? couldn't they have been herniating?