English verb conjugation
COULD PIDDLE

Regular verb: piddle - piddled - piddled

Affirmation

Simple form	V-ing form
I could piddle you could piddle she could piddle we could piddle you could piddle they could piddle	I could be piddling you could be piddling she 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 she 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 she 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 couldn't piddle you couldn't piddle she couldn't piddle we couldn't piddle you couldn't piddle they couldn't piddle	I couldn't be piddling you couldn't be piddling she couldn't be piddling we couldn't be piddling you couldn't be piddling they couldn't be piddling
Perfect	V-ing perfect
I couldn't have piddled you couldn't have piddled she couldn't have piddled we couldn't have piddled you couldn't have piddled they couldn't have piddled	I couldn't have been piddling you couldn't have been piddling she couldn't have been piddling we couldn't have been piddling you couldn't have been piddling they couldn't have been piddling

Interrogative form

Simple form	V-ing form
could I piddle? could you piddle? could she piddle? could we piddle? could you piddle? could they piddle?	could I be piddling? could you be piddling? could she 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 she 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 she 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
couldn't I piddle? couldn't you piddle? couldn't she piddle? couldn't we piddle? couldn't you piddle? couldn't they piddle?	couldn't I be piddling? couldn't you be piddling? couldn't she be piddling? couldn't we be piddling? couldn't you be piddling? couldn't they be piddling?
Perfect	V-ing perfect
couldn't I have piddled? couldn't you have piddled? couldn't she have piddled? couldn't we have piddled? couldn't you have piddled? couldn't they have piddled?	couldn't I have been piddling? couldn't you have been piddling? couldn't she have been piddling? couldn't we have been piddling? couldn't you have been piddling? couldn't they have been piddling?