English verb conjugation
COULD LUTEINIZE

Regular verb: luteinize - luteinized - luteinized

Affirmation

Simple form	V-ing form
I could luteinize you could luteinize she could luteinize we could luteinize you could luteinize they could luteinize	I could be luteinizing you could be luteinizing she could be luteinizing we could be luteinizing you could be luteinizing they could be luteinizing
Perfect	V-ing perfect
I could have luteinized you could have luteinized she could have luteinized we could have luteinized you could have luteinized they could have luteinized	I could have been luteinizing you could have been luteinizing she could have been luteinizing we could have been luteinizing you could have been luteinizing they could have been luteinizing

Negation

Simple form	V-ing form
I could not luteinize you could not luteinize she could not luteinize we could not luteinize you could not luteinize they could not luteinize	I could not be luteinizing you could not be luteinizing she could not be luteinizing we could not be luteinizing you could not be luteinizing they could not be luteinizing
Perfect	V-ing perfect
I could not have luteinized you could not have luteinized she could not have luteinized we could not have luteinized you could not have luteinized they could not have luteinized	I could not have been luteinizing you could not have been luteinizing she could not have been luteinizing we could not have been luteinizing you could not have been luteinizing they could not have been luteinizing

Interrogative form

Simple form	V-ing form
could I luteinize? could you luteinize? could she luteinize? could we luteinize? could you luteinize? could they luteinize?	could I be luteinizing? could you be luteinizing? could she be luteinizing? could we be luteinizing? could you be luteinizing? could they be luteinizing?
Perfect	V-ing perfect
could I have luteinized? could you have luteinized? could she have luteinized? could we have luteinized? could you have luteinized? could they have luteinized?	could I have been luteinizing? could you have been luteinizing? could she have been luteinizing? could we have been luteinizing? could you have been luteinizing? could they have been luteinizing?

Interro-negative form

Simple form	V-ing form
could I not luteinize? could you not luteinize? could she not luteinize? could we not luteinize? could you not luteinize? could they not luteinize?	could I not be luteinizing? could you not be luteinizing? could she not be luteinizing? could we not be luteinizing? could you not be luteinizing? could they not be luteinizing?
Perfect	V-ing perfect
could I not have luteinized? could you not have luteinized? could she not have luteinized? could we not have luteinized? could you not have luteinized? could they not have luteinized?	could I not have been luteinizing? could you not have been luteinizing? could she not have been luteinizing? could we not have been luteinizing? could you not have been luteinizing? could they not have been luteinizing?