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 couldn't express verbalize you couldn't express verbalize he couldn't express verbalize we couldn't express verbalize you couldn't express verbalize they couldn't express verbalize
V-ing form
I couldn't be express verbalizing you couldn't be express verbalizing he couldn't be express verbalizing we couldn't be express verbalizing you couldn't be express verbalizing they couldn't be express verbalizing
Perfect
I couldn't have express verbalized you couldn't have express verbalized he couldn't have express verbalized we couldn't have express verbalized you couldn't have express verbalized they couldn't have express verbalized
V-ing perfect
I couldn't have been express verbalizing you couldn't have been express verbalizing he couldn't have been express verbalizing we couldn't have been express verbalizing you couldn't have been express verbalizing they couldn't 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
couldn't I express verbalize? couldn't you express verbalize? couldn't he express verbalize? couldn't we express verbalize? couldn't you express verbalize? couldn't they express verbalize?
V-ing form
couldn't I be express verbalizing? couldn't you be express verbalizing? couldn't he be express verbalizing? couldn't we be express verbalizing? couldn't you be express verbalizing? couldn't they be express verbalizing?
Perfect
couldn't I have express verbalized? couldn't you have express verbalized? couldn't he have express verbalized? couldn't we have express verbalized? couldn't you have express verbalized? couldn't they have express verbalized?
V-ing perfect
couldn't I have been express verbalizing? couldn't you have been express verbalizing? couldn't he have been express verbalizing? couldn't we have been express verbalizing? couldn't you have been express verbalizing? couldn't they have been express verbalizing?