English verb conjugation
COULD DIDDLE

Regular verb: diddle - diddled - diddled

Affirmation

Simple form	V-ing form
I could diddle you could diddle he could diddle we could diddle you could diddle they could diddle	I could be diddling you could be diddling he 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 he 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 he 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 couldn't diddle you couldn't diddle he couldn't diddle we couldn't diddle you couldn't diddle they couldn't diddle	I couldn't be diddling you couldn't be diddling he couldn't be diddling we couldn't be diddling you couldn't be diddling they couldn't be diddling
Perfect	V-ing perfect
I couldn't have diddled you couldn't have diddled he couldn't have diddled we couldn't have diddled you couldn't have diddled they couldn't have diddled	I couldn't have been diddling you couldn't have been diddling he couldn't have been diddling we couldn't have been diddling you couldn't have been diddling they couldn't have been diddling

Interrogative form

Simple form	V-ing form
could I diddle? could you diddle? could he diddle? could we diddle? could you diddle? could they diddle?	could I be diddling? could you be diddling? could he 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 he 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 he 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
couldn't I diddle? couldn't you diddle? couldn't he diddle? couldn't we diddle? couldn't you diddle? couldn't they diddle?	couldn't I be diddling? couldn't you be diddling? couldn't he be diddling? couldn't we be diddling? couldn't you be diddling? couldn't they be diddling?
Perfect	V-ing perfect
couldn't I have diddled? couldn't you have diddled? couldn't he have diddled? couldn't we have diddled? couldn't you have diddled? couldn't they have diddled?	couldn't I have been diddling? couldn't you have been diddling? couldn't he have been diddling? couldn't we have been diddling? couldn't you have been diddling? couldn't they have been diddling?