could goosestep
Regular verb: goosestep - goosesteped- goosesteped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could goosestep
you could goosestep
he could goosestep
we could goosestep
you could goosestep
they could goosestep 	I could be goosesteping
you could be goosesteping
he could be goosesteping
we could be goosesteping
you could be goosesteping
they could be goosesteping	I could have goosesteped
you could have goosesteped
he could have goosesteped
we could have goosesteped
you could have goosesteped
they could have goosesteped	I could have been goosesteping
you could have been goosesteping
he could have been goosesteping
we could have been goosesteping
you could have been goosesteping
they could have been goosesteping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't goosestep
you couldn't goosestep
he couldn't goosestep
we couldn't goosestep
you couldn't goosestep
they couldn't goosestep 	I couldn't be goosesteping
you couldn't be goosesteping
he couldn't be goosesteping
we couldn't be goosesteping
you couldn't be goosesteping
they couldn't be goosesteping	I couldn't have goosesteped
you couldn't have goosesteped
he couldn't have goosesteped
we couldn't have goosesteped
you couldn't have goosesteped
they couldn't have goosesteped	I couldn't have been goosesteping
you couldn't have been goosesteping
he couldn't have been goosesteping
we couldn't have been goosesteping
you couldn't have been goosesteping
they couldn't have been goosesteping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I goosestep?
could you goosestep?
could he goosestep?
could we goosestep?
could you goosestep?
could they goosestep? 	could I be goosesteping?
could you be goosesteping?
could he be goosesteping?
could we be goosesteping?
could you be goosesteping?
could they be goosesteping? 	could I have goosesteped?
could you have goosesteped?
could he have goosesteped?
could we have goosesteped?
could you have goosesteped?
could they have goosesteped? 	could I have been goosesteping?
could you have been goosesteping?
could he have been goosesteping?
could we have been goosesteping?
could you have been goosesteping?
could they have been goosesteping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I goosestep?
couldn't you goosestep?
couldn't he goosestep?
couldn't we goosestep?
couldn't you goosestep?
couldn't they goosestep? 	couldn't I be goosesteping?
couldn't you be goosesteping?
couldn't he be goosesteping?
couldn't we be goosesteping?
couldn't you be goosesteping?
couldn't they be goosesteping? 	couldn't I have goosesteped?
couldn't you have goosesteped?
couldn't he have goosesteped?
couldn't we have goosesteped?
couldn't you have goosesteped?
couldn't they have goosesteped? 	couldn't I have been goosesteping?
couldn't you have been goosesteping?
couldn't he have been goosesteping?
couldn't we have been goosesteping?
couldn't you have been goosesteping?
couldn't they have been goosesteping?