English verb conjugation
COULD PANIC

Regular verb: panic - paniced - paniced

Affirmation

Simple form	V-ing form
I could panic you could panic he could panic we could panic you could panic they could panic	I could be panicing you could be panicing he could be panicing we could be panicing you could be panicing they could be panicing
Perfect	V-ing perfect
I could have paniced you could have paniced he could have paniced we could have paniced you could have paniced they could have paniced	I could have been panicing you could have been panicing he could have been panicing we could have been panicing you could have been panicing they could have been panicing

Negation

Simple form	V-ing form
I couldn't panic you couldn't panic he couldn't panic we couldn't panic you couldn't panic they couldn't panic	I couldn't be panicing you couldn't be panicing he couldn't be panicing we couldn't be panicing you couldn't be panicing they couldn't be panicing
Perfect	V-ing perfect
I couldn't have paniced you couldn't have paniced he couldn't have paniced we couldn't have paniced you couldn't have paniced they couldn't have paniced	I couldn't have been panicing you couldn't have been panicing he couldn't have been panicing we couldn't have been panicing you couldn't have been panicing they couldn't have been panicing

Interrogative form

Simple form	V-ing form
could I panic? could you panic? could he panic? could we panic? could you panic? could they panic?	could I be panicing? could you be panicing? could he be panicing? could we be panicing? could you be panicing? could they be panicing?
Perfect	V-ing perfect
could I have paniced? could you have paniced? could he have paniced? could we have paniced? could you have paniced? could they have paniced?	could I have been panicing? could you have been panicing? could he have been panicing? could we have been panicing? could you have been panicing? could they have been panicing?

Interro-negative form

Simple form	V-ing form
couldn't I panic? couldn't you panic? couldn't he panic? couldn't we panic? couldn't you panic? couldn't they panic?	couldn't I be panicing? couldn't you be panicing? couldn't he be panicing? couldn't we be panicing? couldn't you be panicing? couldn't they be panicing?
Perfect	V-ing perfect
couldn't I have paniced? couldn't you have paniced? couldn't he have paniced? couldn't we have paniced? couldn't you have paniced? couldn't they have paniced?	couldn't I have been panicing? couldn't you have been panicing? couldn't he have been panicing? couldn't we have been panicing? couldn't you have been panicing? couldn't they have been panicing?