English verb conjugation
COULD DING

Regular verb: ding - dinged - dinged

Affirmation

Simple form	V-ing form
I could ding you could ding he could ding we could ding you could ding they could ding	I could be dinging you could be dinging he could be dinging we could be dinging you could be dinging they could be dinging
Perfect	V-ing perfect
I could have dinged you could have dinged he could have dinged we could have dinged you could have dinged they could have dinged	I could have been dinging you could have been dinging he could have been dinging we could have been dinging you could have been dinging they could have been dinging

Negation

Simple form	V-ing form
I could not ding you could not ding he could not ding we could not ding you could not ding they could not ding	I could not be dinging you could not be dinging he could not be dinging we could not be dinging you could not be dinging they could not be dinging
Perfect	V-ing perfect
I could not have dinged you could not have dinged he could not have dinged we could not have dinged you could not have dinged they could not have dinged	I could not have been dinging you could not have been dinging he could not have been dinging we could not have been dinging you could not have been dinging they could not have been dinging

Interrogative form

Simple form	V-ing form
could I ding? could you ding? could he ding? could we ding? could you ding? could they ding?	could I be dinging? could you be dinging? could he be dinging? could we be dinging? could you be dinging? could they be dinging?
Perfect	V-ing perfect
could I have dinged? could you have dinged? could he have dinged? could we have dinged? could you have dinged? could they have dinged?	could I have been dinging? could you have been dinging? could he have been dinging? could we have been dinging? could you have been dinging? could they have been dinging?

Interro-negative form

Simple form	V-ing form
could I not ding? could you not ding? could he not ding? could we not ding? could you not ding? could they not ding?	could I not be dinging? could you not be dinging? could he not be dinging? could we not be dinging? could you not be dinging? could they not be dinging?
Perfect	V-ing perfect
could I not have dinged? could you not have dinged? could he not have dinged? could we not have dinged? could you not have dinged? could they not have dinged?	could I not have been dinging? could you not have been dinging? could he not have been dinging? could we not have been dinging? could you not have been dinging? could they not have been dinging?