English verb conjugation
COULD SYMBOL

Regular verb: symbol - symboled - symboled

Affirmation

Simple form	V-ing form
I could symbol you could symbol he could symbol we could symbol you could symbol they could symbol	I could be symboling you could be symboling he could be symboling we could be symboling you could be symboling they could be symboling
Perfect	V-ing perfect
I could have symboled you could have symboled he could have symboled we could have symboled you could have symboled they could have symboled	I could have been symboling you could have been symboling he could have been symboling we could have been symboling you could have been symboling they could have been symboling

Negation

Simple form	V-ing form
I could not symbol you could not symbol he could not symbol we could not symbol you could not symbol they could not symbol	I could not be symboling you could not be symboling he could not be symboling we could not be symboling you could not be symboling they could not be symboling
Perfect	V-ing perfect
I could not have symboled you could not have symboled he could not have symboled we could not have symboled you could not have symboled they could not have symboled	I could not have been symboling you could not have been symboling he could not have been symboling we could not have been symboling you could not have been symboling they could not have been symboling

Interrogative form

Simple form	V-ing form
could I symbol? could you symbol? could he symbol? could we symbol? could you symbol? could they symbol?	could I be symboling? could you be symboling? could he be symboling? could we be symboling? could you be symboling? could they be symboling?
Perfect	V-ing perfect
could I have symboled? could you have symboled? could he have symboled? could we have symboled? could you have symboled? could they have symboled?	could I have been symboling? could you have been symboling? could he have been symboling? could we have been symboling? could you have been symboling? could they have been symboling?

Interro-negative form

Simple form	V-ing form
could I not symbol? could you not symbol? could he not symbol? could we not symbol? could you not symbol? could they not symbol?	could I not be symboling? could you not be symboling? could he not be symboling? could we not be symboling? could you not be symboling? could they not be symboling?
Perfect	V-ing perfect
could I not have symboled? could you not have symboled? could he not have symboled? could we not have symboled? could you not have symboled? could they not have symboled?	could I not have been symboling? could you not have been symboling? could he not have been symboling? could we not have been symboling? could you not have been symboling? could they not have been symboling?