English verb conjugation
COULD STAMPEDE

Regular verb: stampede - stampeded - stampeded

Affirmation

Simple form	V-ing form
I could stampede you could stampede he could stampede we could stampede you could stampede they could stampede	I could be stampeding you could be stampeding he could be stampeding we could be stampeding you could be stampeding they could be stampeding
Perfect	V-ing perfect
I could have stampeded you could have stampeded he could have stampeded we could have stampeded you could have stampeded they could have stampeded	I could have been stampeding you could have been stampeding he could have been stampeding we could have been stampeding you could have been stampeding they could have been stampeding

Negation

Simple form	V-ing form
I could not stampede you could not stampede he could not stampede we could not stampede you could not stampede they could not stampede	I could not be stampeding you could not be stampeding he could not be stampeding we could not be stampeding you could not be stampeding they could not be stampeding
Perfect	V-ing perfect
I could not have stampeded you could not have stampeded he could not have stampeded we could not have stampeded you could not have stampeded they could not have stampeded	I could not have been stampeding you could not have been stampeding he could not have been stampeding we could not have been stampeding you could not have been stampeding they could not have been stampeding

Interrogative form

Simple form	V-ing form
could I stampede? could you stampede? could he stampede? could we stampede? could you stampede? could they stampede?	could I be stampeding? could you be stampeding? could he be stampeding? could we be stampeding? could you be stampeding? could they be stampeding?
Perfect	V-ing perfect
could I have stampeded? could you have stampeded? could he have stampeded? could we have stampeded? could you have stampeded? could they have stampeded?	could I have been stampeding? could you have been stampeding? could he have been stampeding? could we have been stampeding? could you have been stampeding? could they have been stampeding?

Interro-negative form

Simple form	V-ing form
could I not stampede? could you not stampede? could he not stampede? could we not stampede? could you not stampede? could they not stampede?	could I not be stampeding? could you not be stampeding? could he not be stampeding? could we not be stampeding? could you not be stampeding? could they not be stampeding?
Perfect	V-ing perfect
could I not have stampeded? could you not have stampeded? could he not have stampeded? could we not have stampeded? could you not have stampeded? could they not have stampeded?	could I not have been stampeding? could you not have been stampeding? could he not have been stampeding? could we not have been stampeding? could you not have been stampeding? could they not have been stampeding?