English verb conjugation
COULD PIDDLE

Regular verb: piddle - piddled - piddled

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?