could piddle
Regular verb: piddle - piddled- piddled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could piddle
you could piddle
he could piddle
we could piddle
you could piddle
they could piddle 	I could be piddling
you could be piddling
he could be piddling
we could be piddling
you could be piddling
they could be piddling	I could have piddled
you could have piddled
he could have piddled
we could have piddled
you could have piddled
they could have piddled	I could have been piddling
you could have been piddling
he could have been piddling
we could have been piddling
you could have been piddling
they could have been piddling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not piddle
you could not piddle
he could not piddle
we could not piddle
you could not piddle
they could not piddle 	I could not be piddling
you could not be piddling
he could not be piddling
we could not be piddling
you could not be piddling
they could not be piddling	I could not have piddled
you could not have piddled
he could not have piddled
we could not have piddled
you could not have piddled
they could not have piddled	I could not have been piddling
you could not have been piddling
he could not have been piddling
we could not have been piddling
you could not have been piddling
they could not have been piddling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I piddle?
could you piddle?
could he piddle?
could we piddle?
could you piddle?
could they piddle? 	could I be piddling?
could you be piddling?
could he be piddling?
could we be piddling?
could you be piddling?
could they be piddling? 	could I have piddled?
could you have piddled?
could he have piddled?
could we have piddled?
could you have piddled?
could they have piddled? 	could I have been piddling?
could you have been piddling?
could he have been piddling?
could we have been piddling?
could you have been piddling?
could they have been piddling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not piddle?
could you not piddle?
could he not piddle?
could we not piddle?
could you not piddle?
could they not piddle? 	could I not be piddling?
could you not be piddling?
could he not be piddling?
could we not be piddling?
could you not be piddling?
could they not be piddling? 	could I not have piddled?
could you not have piddled?
could he not have piddled?
could we not have piddled?
could you not have piddled?
could they not have piddled? 	could I not have been piddling?
could you not have been piddling?
could he not have been piddling?
could we not have been piddling?
could you not have been piddling?
could they not have been piddling?