English verb conjugation
COULD UNEARTH

Regular verb: unearth - unearthed - unearthed

Affirmation

Simple form	V-ing form
I could unearth you could unearth he could unearth we could unearth you could unearth they could unearth	I could be unearthing you could be unearthing he could be unearthing we could be unearthing you could be unearthing they could be unearthing
Perfect	V-ing perfect
I could have unearthed you could have unearthed he could have unearthed we could have unearthed you could have unearthed they could have unearthed	I could have been unearthing you could have been unearthing he could have been unearthing we could have been unearthing you could have been unearthing they could have been unearthing

Negation

Simple form	V-ing form
I couldn't unearth you couldn't unearth he couldn't unearth we couldn't unearth you couldn't unearth they couldn't unearth	I couldn't be unearthing you couldn't be unearthing he couldn't be unearthing we couldn't be unearthing you couldn't be unearthing they couldn't be unearthing
Perfect	V-ing perfect
I couldn't have unearthed you couldn't have unearthed he couldn't have unearthed we couldn't have unearthed you couldn't have unearthed they couldn't have unearthed	I couldn't have been unearthing you couldn't have been unearthing he couldn't have been unearthing we couldn't have been unearthing you couldn't have been unearthing they couldn't have been unearthing

Interrogative form

Simple form	V-ing form
could I unearth? could you unearth? could he unearth? could we unearth? could you unearth? could they unearth?	could I be unearthing? could you be unearthing? could he be unearthing? could we be unearthing? could you be unearthing? could they be unearthing?
Perfect	V-ing perfect
could I have unearthed? could you have unearthed? could he have unearthed? could we have unearthed? could you have unearthed? could they have unearthed?	could I have been unearthing? could you have been unearthing? could he have been unearthing? could we have been unearthing? could you have been unearthing? could they have been unearthing?

Interro-negative form

Simple form	V-ing form
couldn't I unearth? couldn't you unearth? couldn't he unearth? couldn't we unearth? couldn't you unearth? couldn't they unearth?	couldn't I be unearthing? couldn't you be unearthing? couldn't he be unearthing? couldn't we be unearthing? couldn't you be unearthing? couldn't they be unearthing?
Perfect	V-ing perfect
couldn't I have unearthed? couldn't you have unearthed? couldn't he have unearthed? couldn't we have unearthed? couldn't you have unearthed? couldn't they have unearthed?	couldn't I have been unearthing? couldn't you have been unearthing? couldn't he have been unearthing? couldn't we have been unearthing? couldn't you have been unearthing? couldn't they have been unearthing?