could tamp
Regular verb: tamp - tamped- tamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could tamp
you could tamp
he could tamp
we could tamp
you could tamp
they could tamp 	I could be tamping
you could be tamping
he could be tamping
we could be tamping
you could be tamping
they could be tamping	I could have tamped
you could have tamped
he could have tamped
we could have tamped
you could have tamped
they could have tamped	I could have been tamping
you could have been tamping
he could have been tamping
we could have been tamping
you could have been tamping
they could have been tamping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not tamp
you could not tamp
he could not tamp
we could not tamp
you could not tamp
they could not tamp 	I could not be tamping
you could not be tamping
he could not be tamping
we could not be tamping
you could not be tamping
they could not be tamping	I could not have tamped
you could not have tamped
he could not have tamped
we could not have tamped
you could not have tamped
they could not have tamped	I could not have been tamping
you could not have been tamping
he could not have been tamping
we could not have been tamping
you could not have been tamping
they could not have been tamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I tamp?
could you tamp?
could he tamp?
could we tamp?
could you tamp?
could they tamp? 	could I be tamping?
could you be tamping?
could he be tamping?
could we be tamping?
could you be tamping?
could they be tamping? 	could I have tamped?
could you have tamped?
could he have tamped?
could we have tamped?
could you have tamped?
could they have tamped? 	could I have been tamping?
could you have been tamping?
could he have been tamping?
could we have been tamping?
could you have been tamping?
could they have been tamping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not tamp?
could you not tamp?
could he not tamp?
could we not tamp?
could you not tamp?
could they not tamp? 	could I not be tamping?
could you not be tamping?
could he not be tamping?
could we not be tamping?
could you not be tamping?
could they not be tamping? 	could I not have tamped?
could you not have tamped?
could he not have tamped?
could we not have tamped?
could you not have tamped?
could they not have tamped? 	could I not have been tamping?
could you not have been tamping?
could he not have been tamping?
could we not have been tamping?
could you not have been tamping?
could they not have been tamping?