I may shipwreck you may shipwreck he may shipwreck we may shipwreck you may shipwreck they may shipwreck
V-ing form
I may be shipwrecking you may be shipwrecking he may be shipwrecking we may be shipwrecking you may be shipwrecking they may be shipwrecking
Perfect
I may have shipwrecked you may have shipwrecked he may have shipwrecked we may have shipwrecked you may have shipwrecked they may have shipwrecked
V-ing perfect
I may have been shipwrecking you may have been shipwrecking he may have been shipwrecking we may have been shipwrecking you may have been shipwrecking they may have been shipwrecking
Negation
Simple form
I may not shipwreck you may not shipwreck he may not shipwreck we may not shipwreck you may not shipwreck they may not shipwreck
V-ing form
I may not be shipwrecking you may not be shipwrecking he may not be shipwrecking we may not be shipwrecking you may not be shipwrecking they may not be shipwrecking
Perfect
I may not have shipwrecked you may not have shipwrecked he may not have shipwrecked we may not have shipwrecked you may not have shipwrecked they may not have shipwrecked
V-ing perfect
I may not have been shipwrecking you may not have been shipwrecking he may not have been shipwrecking we may not have been shipwrecking you may not have been shipwrecking they may not have been shipwrecking
Interrogative form
Simple form
may I shipwreck? may you shipwreck? may he shipwreck? may we shipwreck? may you shipwreck? may they shipwreck?
V-ing form
may I be shipwrecking? may you be shipwrecking? may he be shipwrecking? may we be shipwrecking? may you be shipwrecking? may they be shipwrecking?
Perfect
may I have shipwrecked? may you have shipwrecked? may he have shipwrecked? may we have shipwrecked? may you have shipwrecked? may they have shipwrecked?
V-ing perfect
may I have been shipwrecking? may you have been shipwrecking? may he have been shipwrecking? may we have been shipwrecking? may you have been shipwrecking? may they have been shipwrecking?
Interro-negative form
Simple form
may I not shipwreck? may you not shipwreck? may he not shipwreck? may we not shipwreck? may you not shipwreck? may they not shipwreck?
V-ing form
may I not be shipwrecking? may you not be shipwrecking? may he not be shipwrecking? may we not be shipwrecking? may you not be shipwrecking? may they not be shipwrecking?
Perfect
may I not have shipwrecked? may you not have shipwrecked? may he not have shipwrecked? may we not have shipwrecked? may you not have shipwrecked? may they not have shipwrecked?
V-ing perfect
may I not have been shipwrecking? may you not have been shipwrecking? may he not have been shipwrecking? may we not have been shipwrecking? may you not have been shipwrecking? may they not have been shipwrecking?