English verb conjugation
COULD FIDDLE

Regular verb: fiddle - fiddled - fiddled

Affirmation

Simple form	V-ing form
I could fiddle you could fiddle he could fiddle we could fiddle you could fiddle they could fiddle	I could be fiddling you could be fiddling he could be fiddling we could be fiddling you could be fiddling they could be fiddling
Perfect	V-ing perfect
I could have fiddled you could have fiddled he could have fiddled we could have fiddled you could have fiddled they could have fiddled	I could have been fiddling you could have been fiddling he could have been fiddling we could have been fiddling you could have been fiddling they could have been fiddling

Negation

Simple form	V-ing form
I could not fiddle you could not fiddle he could not fiddle we could not fiddle you could not fiddle they could not fiddle	I could not be fiddling you could not be fiddling he could not be fiddling we could not be fiddling you could not be fiddling they could not be fiddling
Perfect	V-ing perfect
I could not have fiddled you could not have fiddled he could not have fiddled we could not have fiddled you could not have fiddled they could not have fiddled	I could not have been fiddling you could not have been fiddling he could not have been fiddling we could not have been fiddling you could not have been fiddling they could not have been fiddling

Interrogative form

Simple form	V-ing form
could I fiddle? could you fiddle? could he fiddle? could we fiddle? could you fiddle? could they fiddle?	could I be fiddling? could you be fiddling? could he be fiddling? could we be fiddling? could you be fiddling? could they be fiddling?
Perfect	V-ing perfect
could I have fiddled? could you have fiddled? could he have fiddled? could we have fiddled? could you have fiddled? could they have fiddled?	could I have been fiddling? could you have been fiddling? could he have been fiddling? could we have been fiddling? could you have been fiddling? could they have been fiddling?

Interro-negative form

Simple form	V-ing form
could I not fiddle? could you not fiddle? could he not fiddle? could we not fiddle? could you not fiddle? could they not fiddle?	could I not be fiddling? could you not be fiddling? could he not be fiddling? could we not be fiddling? could you not be fiddling? could they not be fiddling?
Perfect	V-ing perfect
could I not have fiddled? could you not have fiddled? could he not have fiddled? could we not have fiddled? could you not have fiddled? could they not have fiddled?	could I not have been fiddling? could you not have been fiddling? could he not have been fiddling? could we not have been fiddling? could you not have been fiddling? could they not have been fiddling?