English verb conjugation
MUST SHIPWRECK

Regular verb: shipwreck - shipwrecked - shipwrecked

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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