English verb conjugation
COULD LUTEINIZE

Regular verb: luteinize - luteinized - luteinized

Affirmation

Simple form	V-ing form
I could luteinize you could luteinize he could luteinize we could luteinize you could luteinize they could luteinize	I could be luteinizing you could be luteinizing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he luteinize? could we luteinize? could you luteinize? could they luteinize?	could I be luteinizing? could you be luteinizing? could he 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 he 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 he 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 he 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 he 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 he 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 he not have been luteinizing? could we not have been luteinizing? could you not have been luteinizing? could they not have been luteinizing?