English verb conjugation
COULD SMACK

Regular verb: smack - smacked - smacked

Affirmation

Simple form	V-ing form
I could smack you could smack she could smack we could smack you could smack they could smack	I could be smacking you could be smacking she could be smacking we could be smacking you could be smacking they could be smacking
Perfect	V-ing perfect
I could have smacked you could have smacked she could have smacked we could have smacked you could have smacked they could have smacked	I could have been smacking you could have been smacking she could have been smacking we could have been smacking you could have been smacking they could have been smacking

Negation

Simple form	V-ing form
I could not smack you could not smack she could not smack we could not smack you could not smack they could not smack	I could not be smacking you could not be smacking she could not be smacking we could not be smacking you could not be smacking they could not be smacking
Perfect	V-ing perfect
I could not have smacked you could not have smacked she could not have smacked we could not have smacked you could not have smacked they could not have smacked	I could not have been smacking you could not have been smacking she could not have been smacking we could not have been smacking you could not have been smacking they could not have been smacking

Interrogative form

Simple form	V-ing form
could I smack? could you smack? could she smack? could we smack? could you smack? could they smack?	could I be smacking? could you be smacking? could she be smacking? could we be smacking? could you be smacking? could they be smacking?
Perfect	V-ing perfect
could I have smacked? could you have smacked? could she have smacked? could we have smacked? could you have smacked? could they have smacked?	could I have been smacking? could you have been smacking? could she have been smacking? could we have been smacking? could you have been smacking? could they have been smacking?

Interro-negative form

Simple form	V-ing form
could I not smack? could you not smack? could she not smack? could we not smack? could you not smack? could they not smack?	could I not be smacking? could you not be smacking? could she not be smacking? could we not be smacking? could you not be smacking? could they not be smacking?
Perfect	V-ing perfect
could I not have smacked? could you not have smacked? could she not have smacked? could we not have smacked? could you not have smacked? could they not have smacked?	could I not have been smacking? could you not have been smacking? could she not have been smacking? could we not have been smacking? could you not have been smacking? could they not have been smacking?