English verb conjugation
COULD HYBRIDIZE

Regular verb: hybridize - hybridized - hybridized

Affirmation

Simple form	V-ing form
I could hybridize you could hybridize he could hybridize we could hybridize you could hybridize they could hybridize	I could be hybridizing you could be hybridizing he could be hybridizing we could be hybridizing you could be hybridizing they could be hybridizing
Perfect	V-ing perfect
I could have hybridized you could have hybridized he could have hybridized we could have hybridized you could have hybridized they could have hybridized	I could have been hybridizing you could have been hybridizing he could have been hybridizing we could have been hybridizing you could have been hybridizing they could have been hybridizing

Negation

Simple form	V-ing form
I could not hybridize you could not hybridize he could not hybridize we could not hybridize you could not hybridize they could not hybridize	I could not be hybridizing you could not be hybridizing he could not be hybridizing we could not be hybridizing you could not be hybridizing they could not be hybridizing
Perfect	V-ing perfect
I could not have hybridized you could not have hybridized he could not have hybridized we could not have hybridized you could not have hybridized they could not have hybridized	I could not have been hybridizing you could not have been hybridizing he could not have been hybridizing we could not have been hybridizing you could not have been hybridizing they could not have been hybridizing

Interrogative form

Simple form	V-ing form
could I hybridize? could you hybridize? could he hybridize? could we hybridize? could you hybridize? could they hybridize?	could I be hybridizing? could you be hybridizing? could he be hybridizing? could we be hybridizing? could you be hybridizing? could they be hybridizing?
Perfect	V-ing perfect
could I have hybridized? could you have hybridized? could he have hybridized? could we have hybridized? could you have hybridized? could they have hybridized?	could I have been hybridizing? could you have been hybridizing? could he have been hybridizing? could we have been hybridizing? could you have been hybridizing? could they have been hybridizing?

Interro-negative form

Simple form	V-ing form
could I not hybridize? could you not hybridize? could he not hybridize? could we not hybridize? could you not hybridize? could they not hybridize?	could I not be hybridizing? could you not be hybridizing? could he not be hybridizing? could we not be hybridizing? could you not be hybridizing? could they not be hybridizing?
Perfect	V-ing perfect
could I not have hybridized? could you not have hybridized? could he not have hybridized? could we not have hybridized? could you not have hybridized? could they not have hybridized?	could I not have been hybridizing? could you not have been hybridizing? could he not have been hybridizing? could we not have been hybridizing? could you not have been hybridizing? could they not have been hybridizing?