English verb conjugation
COULD NURTURE

Regular verb: nurture - nurtured - nurtured

Affirmation

Simple form	V-ing form
I could nurture you could nurture he could nurture we could nurture you could nurture they could nurture	I could be nurturing you could be nurturing he could be nurturing we could be nurturing you could be nurturing they could be nurturing
Perfect	V-ing perfect
I could have nurtured you could have nurtured he could have nurtured we could have nurtured you could have nurtured they could have nurtured	I could have been nurturing you could have been nurturing he could have been nurturing we could have been nurturing you could have been nurturing they could have been nurturing

Negation

Simple form	V-ing form
I couldn't nurture you couldn't nurture he couldn't nurture we couldn't nurture you couldn't nurture they couldn't nurture	I couldn't be nurturing you couldn't be nurturing he couldn't be nurturing we couldn't be nurturing you couldn't be nurturing they couldn't be nurturing
Perfect	V-ing perfect
I couldn't have nurtured you couldn't have nurtured he couldn't have nurtured we couldn't have nurtured you couldn't have nurtured they couldn't have nurtured	I couldn't have been nurturing you couldn't have been nurturing he couldn't have been nurturing we couldn't have been nurturing you couldn't have been nurturing they couldn't have been nurturing

Interrogative form

Simple form	V-ing form
could I nurture? could you nurture? could he nurture? could we nurture? could you nurture? could they nurture?	could I be nurturing? could you be nurturing? could he be nurturing? could we be nurturing? could you be nurturing? could they be nurturing?
Perfect	V-ing perfect
could I have nurtured? could you have nurtured? could he have nurtured? could we have nurtured? could you have nurtured? could they have nurtured?	could I have been nurturing? could you have been nurturing? could he have been nurturing? could we have been nurturing? could you have been nurturing? could they have been nurturing?

Interro-negative form

Simple form	V-ing form
couldn't I nurture? couldn't you nurture? couldn't he nurture? couldn't we nurture? couldn't you nurture? couldn't they nurture?	couldn't I be nurturing? couldn't you be nurturing? couldn't he be nurturing? couldn't we be nurturing? couldn't you be nurturing? couldn't they be nurturing?
Perfect	V-ing perfect
couldn't I have nurtured? couldn't you have nurtured? couldn't he have nurtured? couldn't we have nurtured? couldn't you have nurtured? couldn't they have nurtured?	couldn't I have been nurturing? couldn't you have been nurturing? couldn't he have been nurturing? couldn't we have been nurturing? couldn't you have been nurturing? couldn't they have been nurturing?