English verb conjugation
COULD GERMINATE

Regular verb: germinate - germinated - germinated

Affirmation

Simple form	V-ing form
I could germinate you could germinate he could germinate we could germinate you could germinate they could germinate	I could be germinating you could be germinating he could be germinating we could be germinating you could be germinating they could be germinating
Perfect	V-ing perfect
I could have germinated you could have germinated he could have germinated we could have germinated you could have germinated they could have germinated	I could have been germinating you could have been germinating he could have been germinating we could have been germinating you could have been germinating they could have been germinating

Negation

Simple form	V-ing form
I couldn't germinate you couldn't germinate he couldn't germinate we couldn't germinate you couldn't germinate they couldn't germinate	I couldn't be germinating you couldn't be germinating he couldn't be germinating we couldn't be germinating you couldn't be germinating they couldn't be germinating
Perfect	V-ing perfect
I couldn't have germinated you couldn't have germinated he couldn't have germinated we couldn't have germinated you couldn't have germinated they couldn't have germinated	I couldn't have been germinating you couldn't have been germinating he couldn't have been germinating we couldn't have been germinating you couldn't have been germinating they couldn't have been germinating

Interrogative form

Simple form	V-ing form
could I germinate? could you germinate? could he germinate? could we germinate? could you germinate? could they germinate?	could I be germinating? could you be germinating? could he be germinating? could we be germinating? could you be germinating? could they be germinating?
Perfect	V-ing perfect
could I have germinated? could you have germinated? could he have germinated? could we have germinated? could you have germinated? could they have germinated?	could I have been germinating? could you have been germinating? could he have been germinating? could we have been germinating? could you have been germinating? could they have been germinating?

Interro-negative form

Simple form	V-ing form
couldn't I germinate? couldn't you germinate? couldn't he germinate? couldn't we germinate? couldn't you germinate? couldn't they germinate?	couldn't I be germinating? couldn't you be germinating? couldn't he be germinating? couldn't we be germinating? couldn't you be germinating? couldn't they be germinating?
Perfect	V-ing perfect
couldn't I have germinated? couldn't you have germinated? couldn't he have germinated? couldn't we have germinated? couldn't you have germinated? couldn't they have germinated?	couldn't I have been germinating? couldn't you have been germinating? couldn't he have been germinating? couldn't we have been germinating? couldn't you have been germinating? couldn't they have been germinating?