Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could express verbalize you could express verbalize he could express verbalize we could express verbalize you could express verbalize they could express verbalize
V-ing form
I could be express verbalizing you could be express verbalizing he could be express verbalizing we could be express verbalizing you could be express verbalizing they could be express verbalizing
Perfect
I could have express verbalized you could have express verbalized he could have express verbalized we could have express verbalized you could have express verbalized they could have express verbalized
V-ing perfect
I could have been express verbalizing you could have been express verbalizing he could have been express verbalizing we could have been express verbalizing you could have been express verbalizing they could have been express verbalizing
Negation
Simple form
I could not express verbalize you could not express verbalize he could not express verbalize we could not express verbalize you could not express verbalize they could not express verbalize
V-ing form
I could not be express verbalizing you could not be express verbalizing he could not be express verbalizing we could not be express verbalizing you could not be express verbalizing they could not be express verbalizing
Perfect
I could not have express verbalized you could not have express verbalized he could not have express verbalized we could not have express verbalized you could not have express verbalized they could not have express verbalized
V-ing perfect
I could not have been express verbalizing you could not have been express verbalizing he could not have been express verbalizing we could not have been express verbalizing you could not have been express verbalizing they could not have been express verbalizing
Interrogative form
Simple form
could I express verbalize? could you express verbalize? could he express verbalize? could we express verbalize? could you express verbalize? could they express verbalize?
V-ing form
could I be express verbalizing? could you be express verbalizing? could he be express verbalizing? could we be express verbalizing? could you be express verbalizing? could they be express verbalizing?
Perfect
could I have express verbalized? could you have express verbalized? could he have express verbalized? could we have express verbalized? could you have express verbalized? could they have express verbalized?
V-ing perfect
could I have been express verbalizing? could you have been express verbalizing? could he have been express verbalizing? could we have been express verbalizing? could you have been express verbalizing? could they have been express verbalizing?
Interro-negative form
Simple form
could I not express verbalize? could you not express verbalize? could he not express verbalize? could we not express verbalize? could you not express verbalize? could they not express verbalize?
V-ing form
could I not be express verbalizing? could you not be express verbalizing? could he not be express verbalizing? could we not be express verbalizing? could you not be express verbalizing? could they not be express verbalizing?
Perfect
could I not have express verbalized? could you not have express verbalized? could he not have express verbalized? could we not have express verbalized? could you not have express verbalized? could they not have express verbalized?
V-ing perfect
could I not have been express verbalizing? could you not have been express verbalizing? could he not have been express verbalizing? could we not have been express verbalizing? could you not have been express verbalizing? could they not have been express verbalizing?