English verb conjugation
COULD SHOCK

Regular verb: shock - shocked - shocked

Affirmation

Simple form	V-ing form
I could shock you could shock he could shock we could shock you could shock they could shock	I could be shocking you could be shocking he could be shocking we could be shocking you could be shocking they could be shocking
Perfect	V-ing perfect
I could have shocked you could have shocked he could have shocked we could have shocked you could have shocked they could have shocked	I could have been shocking you could have been shocking he could have been shocking we could have been shocking you could have been shocking they could have been shocking

Negation

Simple form	V-ing form
I couldn't shock you couldn't shock he couldn't shock we couldn't shock you couldn't shock they couldn't shock	I couldn't be shocking you couldn't be shocking he couldn't be shocking we couldn't be shocking you couldn't be shocking they couldn't be shocking
Perfect	V-ing perfect
I couldn't have shocked you couldn't have shocked he couldn't have shocked we couldn't have shocked you couldn't have shocked they couldn't have shocked	I couldn't have been shocking you couldn't have been shocking he couldn't have been shocking we couldn't have been shocking you couldn't have been shocking they couldn't have been shocking

Interrogative form

Simple form	V-ing form
could I shock? could you shock? could he shock? could we shock? could you shock? could they shock?	could I be shocking? could you be shocking? could he be shocking? could we be shocking? could you be shocking? could they be shocking?
Perfect	V-ing perfect
could I have shocked? could you have shocked? could he have shocked? could we have shocked? could you have shocked? could they have shocked?	could I have been shocking? could you have been shocking? could he have been shocking? could we have been shocking? could you have been shocking? could they have been shocking?

Interro-negative form

Simple form	V-ing form
couldn't I shock? couldn't you shock? couldn't he shock? couldn't we shock? couldn't you shock? couldn't they shock?	couldn't I be shocking? couldn't you be shocking? couldn't he be shocking? couldn't we be shocking? couldn't you be shocking? couldn't they be shocking?
Perfect	V-ing perfect
couldn't I have shocked? couldn't you have shocked? couldn't he have shocked? couldn't we have shocked? couldn't you have shocked? couldn't they have shocked?	couldn't I have been shocking? couldn't you have been shocking? couldn't he have been shocking? couldn't we have been shocking? couldn't you have been shocking? couldn't they have been shocking?