English verb conjugation
COULD WREAK

Regular verb: wreak - wreaked - wreaked

Affirmation

Simple form	V-ing form
I could wreak you could wreak he could wreak we could wreak you could wreak they could wreak	I could be wreaking you could be wreaking he could be wreaking we could be wreaking you could be wreaking they could be wreaking
Perfect	V-ing perfect
I could have wreaked you could have wreaked he could have wreaked we could have wreaked you could have wreaked they could have wreaked	I could have been wreaking you could have been wreaking he could have been wreaking we could have been wreaking you could have been wreaking they could have been wreaking

Negation

Simple form	V-ing form
I couldn't wreak you couldn't wreak he couldn't wreak we couldn't wreak you couldn't wreak they couldn't wreak	I couldn't be wreaking you couldn't be wreaking he couldn't be wreaking we couldn't be wreaking you couldn't be wreaking they couldn't be wreaking
Perfect	V-ing perfect
I couldn't have wreaked you couldn't have wreaked he couldn't have wreaked we couldn't have wreaked you couldn't have wreaked they couldn't have wreaked	I couldn't have been wreaking you couldn't have been wreaking he couldn't have been wreaking we couldn't have been wreaking you couldn't have been wreaking they couldn't have been wreaking

Interrogative form

Simple form	V-ing form
could I wreak? could you wreak? could he wreak? could we wreak? could you wreak? could they wreak?	could I be wreaking? could you be wreaking? could he be wreaking? could we be wreaking? could you be wreaking? could they be wreaking?
Perfect	V-ing perfect
could I have wreaked? could you have wreaked? could he have wreaked? could we have wreaked? could you have wreaked? could they have wreaked?	could I have been wreaking? could you have been wreaking? could he have been wreaking? could we have been wreaking? could you have been wreaking? could they have been wreaking?

Interro-negative form

Simple form	V-ing form
couldn't I wreak? couldn't you wreak? couldn't he wreak? couldn't we wreak? couldn't you wreak? couldn't they wreak?	couldn't I be wreaking? couldn't you be wreaking? couldn't he be wreaking? couldn't we be wreaking? couldn't you be wreaking? couldn't they be wreaking?
Perfect	V-ing perfect
couldn't I have wreaked? couldn't you have wreaked? couldn't he have wreaked? couldn't we have wreaked? couldn't you have wreaked? couldn't they have wreaked?	couldn't I have been wreaking? couldn't you have been wreaking? couldn't he have been wreaking? couldn't we have been wreaking? couldn't you have been wreaking? couldn't they have been wreaking?