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 couldn't shipwreck you couldn't shipwreck she couldn't shipwreck we couldn't shipwreck you couldn't shipwreck they couldn't shipwreck	I couldn't be shipwrecking you couldn't be shipwrecking she couldn't be shipwrecking we couldn't be shipwrecking you couldn't be shipwrecking they couldn't be shipwrecking
Perfect	V-ing perfect
I couldn't have shipwrecked you couldn't have shipwrecked she couldn't have shipwrecked we couldn't have shipwrecked you couldn't have shipwrecked they couldn't have shipwrecked	I couldn't have been shipwrecking you couldn't have been shipwrecking she couldn't have been shipwrecking we couldn't have been shipwrecking you couldn't have been shipwrecking they couldn't 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
couldn't I shipwreck? couldn't you shipwreck? couldn't she shipwreck? couldn't we shipwreck? couldn't you shipwreck? couldn't they shipwreck?	couldn't I be shipwrecking? couldn't you be shipwrecking? couldn't she be shipwrecking? couldn't we be shipwrecking? couldn't you be shipwrecking? couldn't they be shipwrecking?
Perfect	V-ing perfect
couldn't I have shipwrecked? couldn't you have shipwrecked? couldn't she have shipwrecked? couldn't we have shipwrecked? couldn't you have shipwrecked? couldn't they have shipwrecked?	couldn't I have been shipwrecking? couldn't you have been shipwrecking? couldn't she have been shipwrecking? couldn't we have been shipwrecking? couldn't you have been shipwrecking? couldn't they have been shipwrecking?