English verb conjugation
COULD PING

Regular verb: ping - pinged - pinged

Affirmation

Simple form	V-ing form
I could ping you could ping she could ping we could ping you could ping they could ping	I could be pinging you could be pinging she could be pinging we could be pinging you could be pinging they could be pinging
Perfect	V-ing perfect
I could have pinged you could have pinged she could have pinged we could have pinged you could have pinged they could have pinged	I could have been pinging you could have been pinging she could have been pinging we could have been pinging you could have been pinging they could have been pinging

Negation

Simple form	V-ing form
I could not ping you could not ping she could not ping we could not ping you could not ping they could not ping	I could not be pinging you could not be pinging she could not be pinging we could not be pinging you could not be pinging they could not be pinging
Perfect	V-ing perfect
I could not have pinged you could not have pinged she could not have pinged we could not have pinged you could not have pinged they could not have pinged	I could not have been pinging you could not have been pinging she could not have been pinging we could not have been pinging you could not have been pinging they could not have been pinging

Interrogative form

Simple form	V-ing form
could I ping? could you ping? could she ping? could we ping? could you ping? could they ping?	could I be pinging? could you be pinging? could she be pinging? could we be pinging? could you be pinging? could they be pinging?
Perfect	V-ing perfect
could I have pinged? could you have pinged? could she have pinged? could we have pinged? could you have pinged? could they have pinged?	could I have been pinging? could you have been pinging? could she have been pinging? could we have been pinging? could you have been pinging? could they have been pinging?

Interro-negative form

Simple form	V-ing form
could I not ping? could you not ping? could she not ping? could we not ping? could you not ping? could they not ping?	could I not be pinging? could you not be pinging? could she not be pinging? could we not be pinging? could you not be pinging? could they not be pinging?
Perfect	V-ing perfect
could I not have pinged? could you not have pinged? could she not have pinged? could we not have pinged? could you not have pinged? could they not have pinged?	could I not have been pinging? could you not have been pinging? could she not have been pinging? could we not have been pinging? could you not have been pinging? could they not have been pinging?