English verb conjugation
COULD PILL

Regular verb: pill - pilled - pilled

Affirmation

Simple form	V-ing form
I could pill you could pill she could pill we could pill you could pill they could pill	I could be pilling you could be pilling she could be pilling we could be pilling you could be pilling they could be pilling
Perfect	V-ing perfect
I could have pilled you could have pilled she could have pilled we could have pilled you could have pilled they could have pilled	I could have been pilling you could have been pilling she could have been pilling we could have been pilling you could have been pilling they could have been pilling

Negation

Simple form	V-ing form
I couldn't pill you couldn't pill she couldn't pill we couldn't pill you couldn't pill they couldn't pill	I couldn't be pilling you couldn't be pilling she couldn't be pilling we couldn't be pilling you couldn't be pilling they couldn't be pilling
Perfect	V-ing perfect
I couldn't have pilled you couldn't have pilled she couldn't have pilled we couldn't have pilled you couldn't have pilled they couldn't have pilled	I couldn't have been pilling you couldn't have been pilling she couldn't have been pilling we couldn't have been pilling you couldn't have been pilling they couldn't have been pilling

Interrogative form

Simple form	V-ing form
could I pill? could you pill? could she pill? could we pill? could you pill? could they pill?	could I be pilling? could you be pilling? could she be pilling? could we be pilling? could you be pilling? could they be pilling?
Perfect	V-ing perfect
could I have pilled? could you have pilled? could she have pilled? could we have pilled? could you have pilled? could they have pilled?	could I have been pilling? could you have been pilling? could she have been pilling? could we have been pilling? could you have been pilling? could they have been pilling?

Interro-negative form

Simple form	V-ing form
couldn't I pill? couldn't you pill? couldn't she pill? couldn't we pill? couldn't you pill? couldn't they pill?	couldn't I be pilling? couldn't you be pilling? couldn't she be pilling? couldn't we be pilling? couldn't you be pilling? couldn't they be pilling?
Perfect	V-ing perfect
couldn't I have pilled? couldn't you have pilled? couldn't she have pilled? couldn't we have pilled? couldn't you have pilled? couldn't they have pilled?	couldn't I have been pilling? couldn't you have been pilling? couldn't she have been pilling? couldn't we have been pilling? couldn't you have been pilling? couldn't they have been pilling?