English verb conjugation
CAN PING

Regular verb: ping - pinged - pinged

Affirmation

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

Negation

Simple form	V-ing form
I can't ping you can't ping he can't ping we can't ping you can't ping they can't ping	I can't be pinging you can't be pinging he can't be pinging we can't be pinging you can't be pinging they can't be pinging
Perfect	V-ing perfect
I can't have pinged you can't have pinged he can't have pinged we can't have pinged you can't have pinged they can't have pinged	I can't have been pinging you can't have been pinging he can't have been pinging we can't have been pinging you can't have been pinging they can't have been pinging

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I ping? can't you ping? can't he ping? can't we ping? can't you ping? can't they ping?	can't I be pinging? can't you be pinging? can't he be pinging? can't we be pinging? can't you be pinging? can't they be pinging?
Perfect	V-ing perfect
can't I have pinged? can't you have pinged? can't he have pinged? can't we have pinged? can't you have pinged? can't they have pinged?	can't I have been pinging? can't you have been pinging? can't he have been pinging? can't we have been pinging? can't you have been pinging? can't they have been pinging?