English verb conjugation
COULD NOURISH

Regular verb: nourish - nourished - nourished

Affirmation

Simple form	V-ing form
I could nourish you could nourish he could nourish we could nourish you could nourish they could nourish	I could be nourishing you could be nourishing he could be nourishing we could be nourishing you could be nourishing they could be nourishing
Perfect	V-ing perfect
I could have nourished you could have nourished he could have nourished we could have nourished you could have nourished they could have nourished	I could have been nourishing you could have been nourishing he could have been nourishing we could have been nourishing you could have been nourishing they could have been nourishing

Negation

Simple form	V-ing form
I couldn't nourish you couldn't nourish he couldn't nourish we couldn't nourish you couldn't nourish they couldn't nourish	I couldn't be nourishing you couldn't be nourishing he couldn't be nourishing we couldn't be nourishing you couldn't be nourishing they couldn't be nourishing
Perfect	V-ing perfect
I couldn't have nourished you couldn't have nourished he couldn't have nourished we couldn't have nourished you couldn't have nourished they couldn't have nourished	I couldn't have been nourishing you couldn't have been nourishing he couldn't have been nourishing we couldn't have been nourishing you couldn't have been nourishing they couldn't have been nourishing

Interrogative form

Simple form	V-ing form
could I nourish? could you nourish? could he nourish? could we nourish? could you nourish? could they nourish?	could I be nourishing? could you be nourishing? could he be nourishing? could we be nourishing? could you be nourishing? could they be nourishing?
Perfect	V-ing perfect
could I have nourished? could you have nourished? could he have nourished? could we have nourished? could you have nourished? could they have nourished?	could I have been nourishing? could you have been nourishing? could he have been nourishing? could we have been nourishing? could you have been nourishing? could they have been nourishing?

Interro-negative form

Simple form	V-ing form
couldn't I nourish? couldn't you nourish? couldn't he nourish? couldn't we nourish? couldn't you nourish? couldn't they nourish?	couldn't I be nourishing? couldn't you be nourishing? couldn't he be nourishing? couldn't we be nourishing? couldn't you be nourishing? couldn't they be nourishing?
Perfect	V-ing perfect
couldn't I have nourished? couldn't you have nourished? couldn't he have nourished? couldn't we have nourished? couldn't you have nourished? couldn't they have nourished?	couldn't I have been nourishing? couldn't you have been nourishing? couldn't he have been nourishing? couldn't we have been nourishing? couldn't you have been nourishing? couldn't they have been nourishing?