English verb conjugation
COULD BALLAST

Regular verb: ballast - ballasted - ballasted

Affirmation

Simple form	V-ing form
I could ballast you could ballast he could ballast we could ballast you could ballast they could ballast	I could be ballasting you could be ballasting he could be ballasting we could be ballasting you could be ballasting they could be ballasting
Perfect	V-ing perfect
I could have ballasted you could have ballasted he could have ballasted we could have ballasted you could have ballasted they could have ballasted	I could have been ballasting you could have been ballasting he could have been ballasting we could have been ballasting you could have been ballasting they could have been ballasting

Negation

Simple form	V-ing form
I could not ballast you could not ballast he could not ballast we could not ballast you could not ballast they could not ballast	I could not be ballasting you could not be ballasting he could not be ballasting we could not be ballasting you could not be ballasting they could not be ballasting
Perfect	V-ing perfect
I could not have ballasted you could not have ballasted he could not have ballasted we could not have ballasted you could not have ballasted they could not have ballasted	I could not have been ballasting you could not have been ballasting he could not have been ballasting we could not have been ballasting you could not have been ballasting they could not have been ballasting

Interrogative form

Simple form	V-ing form
could I ballast? could you ballast? could he ballast? could we ballast? could you ballast? could they ballast?	could I be ballasting? could you be ballasting? could he be ballasting? could we be ballasting? could you be ballasting? could they be ballasting?
Perfect	V-ing perfect
could I have ballasted? could you have ballasted? could he have ballasted? could we have ballasted? could you have ballasted? could they have ballasted?	could I have been ballasting? could you have been ballasting? could he have been ballasting? could we have been ballasting? could you have been ballasting? could they have been ballasting?

Interro-negative form

Simple form	V-ing form
could I not ballast? could you not ballast? could he not ballast? could we not ballast? could you not ballast? could they not ballast?	could I not be ballasting? could you not be ballasting? could he not be ballasting? could we not be ballasting? could you not be ballasting? could they not be ballasting?
Perfect	V-ing perfect
could I not have ballasted? could you not have ballasted? could he not have ballasted? could we not have ballasted? could you not have ballasted? could they not have ballasted?	could I not have been ballasting? could you not have been ballasting? could he not have been ballasting? could we not have been ballasting? could you not have been ballasting? could they not have been ballasting?