English verb conjugation
COULD DIDDLE

Regular verb: diddle - diddled - diddled

Affirmation

Simple form	V-ing form
I could diddle you could diddle she could diddle we could diddle you could diddle they could diddle	I could be diddling you could be diddling she could be diddling we could be diddling you could be diddling they could be diddling
Perfect	V-ing perfect
I could have diddled you could have diddled she could have diddled we could have diddled you could have diddled they could have diddled	I could have been diddling you could have been diddling she could have been diddling we could have been diddling you could have been diddling they could have been diddling

Negation

Simple form	V-ing form
I could not diddle you could not diddle she could not diddle we could not diddle you could not diddle they could not diddle	I could not be diddling you could not be diddling she could not be diddling we could not be diddling you could not be diddling they could not be diddling
Perfect	V-ing perfect
I could not have diddled you could not have diddled she could not have diddled we could not have diddled you could not have diddled they could not have diddled	I could not have been diddling you could not have been diddling she could not have been diddling we could not have been diddling you could not have been diddling they could not have been diddling

Interrogative form

Simple form	V-ing form
could I diddle? could you diddle? could she diddle? could we diddle? could you diddle? could they diddle?	could I be diddling? could you be diddling? could she be diddling? could we be diddling? could you be diddling? could they be diddling?
Perfect	V-ing perfect
could I have diddled? could you have diddled? could she have diddled? could we have diddled? could you have diddled? could they have diddled?	could I have been diddling? could you have been diddling? could she have been diddling? could we have been diddling? could you have been diddling? could they have been diddling?

Interro-negative form

Simple form	V-ing form
could I not diddle? could you not diddle? could she not diddle? could we not diddle? could you not diddle? could they not diddle?	could I not be diddling? could you not be diddling? could she not be diddling? could we not be diddling? could you not be diddling? could they not be diddling?
Perfect	V-ing perfect
could I not have diddled? could you not have diddled? could she not have diddled? could we not have diddled? could you not have diddled? could they not have diddled?	could I not have been diddling? could you not have been diddling? could she not have been diddling? could we not have been diddling? could you not have been diddling? could they not have been diddling?