English verb conjugation
MUST PRECOMPRESS

Regular verb: precompress - precompressed - precompressed

Affirmation

Simple form	V-ing form
I must precompress you must precompress he must precompress we must precompress you must precompress they must precompress	I must be precompressing you must be precompressing he must be precompressing we must be precompressing you must be precompressing they must be precompressing
Perfect	V-ing perfect
I must have precompressed you must have precompressed he must have precompressed we must have precompressed you must have precompressed they must have precompressed	I must have been precompressing you must have been precompressing he must have been precompressing we must have been precompressing you must have been precompressing they must have been precompressing

Negation

Simple form	V-ing form
I must not precompress you must not precompress he must not precompress we must not precompress you must not precompress they must not precompress	I must not be precompressing you must not be precompressing he must not be precompressing we must not be precompressing you must not be precompressing they must not be precompressing
Perfect	V-ing perfect
I must not have precompressed you must not have precompressed he must not have precompressed we must not have precompressed you must not have precompressed they must not have precompressed	I must not have been precompressing you must not have been precompressing he must not have been precompressing we must not have been precompressing you must not have been precompressing they must not have been precompressing

Interrogative form

Simple form	V-ing form
must I precompress? must you precompress? must he precompress? must we precompress? must you precompress? must they precompress?	must I be precompressing? must you be precompressing? must he be precompressing? must we be precompressing? must you be precompressing? must they be precompressing?
Perfect	V-ing perfect
must I have precompressed? must you have precompressed? must he have precompressed? must we have precompressed? must you have precompressed? must they have precompressed?	must I have been precompressing? must you have been precompressing? must he have been precompressing? must we have been precompressing? must you have been precompressing? must they have been precompressing?

Interro-negative form

Simple form	V-ing form
must I not precompress? must you not precompress? must he not precompress? must we not precompress? must you not precompress? must they not precompress?	must I not be precompressing? must you not be precompressing? must he not be precompressing? must we not be precompressing? must you not be precompressing? must they not be precompressing?
Perfect	V-ing perfect
must I not have precompressed? must you not have precompressed? must he not have precompressed? must we not have precompressed? must you not have precompressed? must they not have precompressed?	must I not have been precompressing? must you not have been precompressing? must he not have been precompressing? must we not have been precompressing? must you not have been precompressing? must they not have been precompressing?