English verb conjugation
COULD WRECK

Regular verb: wreck - wrecked - wrecked

Affirmation

Simple form	V-ing form
I could wreck you could wreck she could wreck we could wreck you could wreck they could wreck	I could be wrecking you could be wrecking she could be wrecking we could be wrecking you could be wrecking they could be wrecking
Perfect	V-ing perfect
I could have wrecked you could have wrecked she could have wrecked we could have wrecked you could have wrecked they could have wrecked	I could have been wrecking you could have been wrecking she could have been wrecking we could have been wrecking you could have been wrecking they could have been wrecking

Negation

Simple form	V-ing form
I couldn't wreck you couldn't wreck she couldn't wreck we couldn't wreck you couldn't wreck they couldn't wreck	I couldn't be wrecking you couldn't be wrecking she couldn't be wrecking we couldn't be wrecking you couldn't be wrecking they couldn't be wrecking
Perfect	V-ing perfect
I couldn't have wrecked you couldn't have wrecked she couldn't have wrecked we couldn't have wrecked you couldn't have wrecked they couldn't have wrecked	I couldn't have been wrecking you couldn't have been wrecking she couldn't have been wrecking we couldn't have been wrecking you couldn't have been wrecking they couldn't have been wrecking

Interrogative form

Simple form	V-ing form
could I wreck? could you wreck? could she wreck? could we wreck? could you wreck? could they wreck?	could I be wrecking? could you be wrecking? could she be wrecking? could we be wrecking? could you be wrecking? could they be wrecking?
Perfect	V-ing perfect
could I have wrecked? could you have wrecked? could she have wrecked? could we have wrecked? could you have wrecked? could they have wrecked?	could I have been wrecking? could you have been wrecking? could she have been wrecking? could we have been wrecking? could you have been wrecking? could they have been wrecking?

Interro-negative form

Simple form	V-ing form
couldn't I wreck? couldn't you wreck? couldn't she wreck? couldn't we wreck? couldn't you wreck? couldn't they wreck?	couldn't I be wrecking? couldn't you be wrecking? couldn't she be wrecking? couldn't we be wrecking? couldn't you be wrecking? couldn't they be wrecking?
Perfect	V-ing perfect
couldn't I have wrecked? couldn't you have wrecked? couldn't she have wrecked? couldn't we have wrecked? couldn't you have wrecked? couldn't they have wrecked?	couldn't I have been wrecking? couldn't you have been wrecking? couldn't she have been wrecking? couldn't we have been wrecking? couldn't you have been wrecking? couldn't they have been wrecking?