English verb conjugation
COULD ADULTERATE

Regular verb: adulterate - adulterated - adulterated

Affirmation

Simple form	V-ing form
I could adulterate you could adulterate he could adulterate we could adulterate you could adulterate they could adulterate	I could be adulterating you could be adulterating he could be adulterating we could be adulterating you could be adulterating they could be adulterating
Perfect	V-ing perfect
I could have adulterated you could have adulterated he could have adulterated we could have adulterated you could have adulterated they could have adulterated	I could have been adulterating you could have been adulterating he could have been adulterating we could have been adulterating you could have been adulterating they could have been adulterating

Negation

Simple form	V-ing form
I couldn't adulterate you couldn't adulterate he couldn't adulterate we couldn't adulterate you couldn't adulterate they couldn't adulterate	I couldn't be adulterating you couldn't be adulterating he couldn't be adulterating we couldn't be adulterating you couldn't be adulterating they couldn't be adulterating
Perfect	V-ing perfect
I couldn't have adulterated you couldn't have adulterated he couldn't have adulterated we couldn't have adulterated you couldn't have adulterated they couldn't have adulterated	I couldn't have been adulterating you couldn't have been adulterating he couldn't have been adulterating we couldn't have been adulterating you couldn't have been adulterating they couldn't have been adulterating

Interrogative form

Simple form	V-ing form
could I adulterate? could you adulterate? could he adulterate? could we adulterate? could you adulterate? could they adulterate?	could I be adulterating? could you be adulterating? could he be adulterating? could we be adulterating? could you be adulterating? could they be adulterating?
Perfect	V-ing perfect
could I have adulterated? could you have adulterated? could he have adulterated? could we have adulterated? could you have adulterated? could they have adulterated?	could I have been adulterating? could you have been adulterating? could he have been adulterating? could we have been adulterating? could you have been adulterating? could they have been adulterating?

Interro-negative form

Simple form	V-ing form
couldn't I adulterate? couldn't you adulterate? couldn't he adulterate? couldn't we adulterate? couldn't you adulterate? couldn't they adulterate?	couldn't I be adulterating? couldn't you be adulterating? couldn't he be adulterating? couldn't we be adulterating? couldn't you be adulterating? couldn't they be adulterating?
Perfect	V-ing perfect
couldn't I have adulterated? couldn't you have adulterated? couldn't he have adulterated? couldn't we have adulterated? couldn't you have adulterated? couldn't they have adulterated?	couldn't I have been adulterating? couldn't you have been adulterating? couldn't he have been adulterating? couldn't we have been adulterating? couldn't you have been adulterating? couldn't they have been adulterating?