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 couldn't stampede you couldn't stampede he couldn't stampede we couldn't stampede you couldn't stampede they couldn't stampede	I couldn't be stampeding you couldn't be stampeding he couldn't be stampeding we couldn't be stampeding you couldn't be stampeding they couldn't be stampeding
Perfect	V-ing perfect
I couldn't have stampeded you couldn't have stampeded he couldn't have stampeded we couldn't have stampeded you couldn't have stampeded they couldn't have stampeded	I couldn't have been stampeding you couldn't have been stampeding he couldn't have been stampeding we couldn't have been stampeding you couldn't have been stampeding they couldn't 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
couldn't I stampede? couldn't you stampede? couldn't he stampede? couldn't we stampede? couldn't you stampede? couldn't they stampede?	couldn't I be stampeding? couldn't you be stampeding? couldn't he be stampeding? couldn't we be stampeding? couldn't you be stampeding? couldn't they be stampeding?
Perfect	V-ing perfect
couldn't I have stampeded? couldn't you have stampeded? couldn't he have stampeded? couldn't we have stampeded? couldn't you have stampeded? couldn't they have stampeded?	couldn't I have been stampeding? couldn't you have been stampeding? couldn't he have been stampeding? couldn't we have been stampeding? couldn't you have been stampeding? couldn't they have been stampeding?