English verb conjugation
COULD OUTBOAST

Regular verb: outboast - outboasted - outboasted

Affirmation

Simple form	V-ing form
I could outboast you could outboast he could outboast we could outboast you could outboast they could outboast	I could be outboasting you could be outboasting he could be outboasting we could be outboasting you could be outboasting they could be outboasting
Perfect	V-ing perfect
I could have outboasted you could have outboasted he could have outboasted we could have outboasted you could have outboasted they could have outboasted	I could have been outboasting you could have been outboasting he could have been outboasting we could have been outboasting you could have been outboasting they could have been outboasting

Negation

Simple form	V-ing form
I could not outboast you could not outboast he could not outboast we could not outboast you could not outboast they could not outboast	I could not be outboasting you could not be outboasting he could not be outboasting we could not be outboasting you could not be outboasting they could not be outboasting
Perfect	V-ing perfect
I could not have outboasted you could not have outboasted he could not have outboasted we could not have outboasted you could not have outboasted they could not have outboasted	I could not have been outboasting you could not have been outboasting he could not have been outboasting we could not have been outboasting you could not have been outboasting they could not have been outboasting

Interrogative form

Simple form	V-ing form
could I outboast? could you outboast? could he outboast? could we outboast? could you outboast? could they outboast?	could I be outboasting? could you be outboasting? could he be outboasting? could we be outboasting? could you be outboasting? could they be outboasting?
Perfect	V-ing perfect
could I have outboasted? could you have outboasted? could he have outboasted? could we have outboasted? could you have outboasted? could they have outboasted?	could I have been outboasting? could you have been outboasting? could he have been outboasting? could we have been outboasting? could you have been outboasting? could they have been outboasting?

Interro-negative form

Simple form	V-ing form
could I not outboast? could you not outboast? could he not outboast? could we not outboast? could you not outboast? could they not outboast?	could I not be outboasting? could you not be outboasting? could he not be outboasting? could we not be outboasting? could you not be outboasting? could they not be outboasting?
Perfect	V-ing perfect
could I not have outboasted? could you not have outboasted? could he not have outboasted? could we not have outboasted? could you not have outboasted? could they not have outboasted?	could I not have been outboasting? could you not have been outboasting? could he not have been outboasting? could we not have been outboasting? could you not have been outboasting? could they not have been outboasting?