English verb conjugation
COULD SHIPWRECK

Regular verb: shipwreck - shipwrecked - shipwrecked

Affirmation

Simple form	V-ing form
I could shipwreck you could shipwreck she could shipwreck we could shipwreck you could shipwreck they could shipwreck	I could be shipwrecking you could be shipwrecking she could be shipwrecking we could be shipwrecking you could be shipwrecking they could be shipwrecking
Perfect	V-ing perfect
I could have shipwrecked you could have shipwrecked she could have shipwrecked we could have shipwrecked you could have shipwrecked they could have shipwrecked	I could have been shipwrecking you could have been shipwrecking she could have been shipwrecking we could have been shipwrecking you could have been shipwrecking they could have been shipwrecking

Negation

Simple form	V-ing form
I could not shipwreck you could not shipwreck she could not shipwreck we could not shipwreck you could not shipwreck they could not shipwreck	I could not be shipwrecking you could not be shipwrecking she could not be shipwrecking we could not be shipwrecking you could not be shipwrecking they could not be shipwrecking
Perfect	V-ing perfect
I could not have shipwrecked you could not have shipwrecked she could not have shipwrecked we could not have shipwrecked you could not have shipwrecked they could not have shipwrecked	I could not have been shipwrecking you could not have been shipwrecking she could not have been shipwrecking we could not have been shipwrecking you could not have been shipwrecking they could not have been shipwrecking

Interrogative form

Simple form	V-ing form
could I shipwreck? could you shipwreck? could she shipwreck? could we shipwreck? could you shipwreck? could they shipwreck?	could I be shipwrecking? could you be shipwrecking? could she be shipwrecking? could we be shipwrecking? could you be shipwrecking? could they be shipwrecking?
Perfect	V-ing perfect
could I have shipwrecked? could you have shipwrecked? could she have shipwrecked? could we have shipwrecked? could you have shipwrecked? could they have shipwrecked?	could I have been shipwrecking? could you have been shipwrecking? could she have been shipwrecking? could we have been shipwrecking? could you have been shipwrecking? could they have been shipwrecking?

Interro-negative form

Simple form	V-ing form
could I not shipwreck? could you not shipwreck? could she not shipwreck? could we not shipwreck? could you not shipwreck? could they not shipwreck?	could I not be shipwrecking? could you not be shipwrecking? could she not be shipwrecking? could we not be shipwrecking? could you not be shipwrecking? could they not be shipwrecking?
Perfect	V-ing perfect
could I not have shipwrecked? could you not have shipwrecked? could she not have shipwrecked? could we not have shipwrecked? could you not have shipwrecked? could they not have shipwrecked?	could I not have been shipwrecking? could you not have been shipwrecking? could she not have been shipwrecking? could we not have been shipwrecking? could you not have been shipwrecking? could they not have been shipwrecking?