I must decompress you must decompress he must decompress we must decompress you must decompress they must decompress
V-ing form
I must be decompressing you must be decompressing he must be decompressing we must be decompressing you must be decompressing they must be decompressing
Perfect
I must have decompressed you must have decompressed he must have decompressed we must have decompressed you must have decompressed they must have decompressed
V-ing perfect
I must have been decompressing you must have been decompressing he must have been decompressing we must have been decompressing you must have been decompressing they must have been decompressing
Negation
Simple form
I must not decompress you must not decompress he must not decompress we must not decompress you must not decompress they must not decompress
V-ing form
I must not be decompressing you must not be decompressing he must not be decompressing we must not be decompressing you must not be decompressing they must not be decompressing
Perfect
I must not have decompressed you must not have decompressed he must not have decompressed we must not have decompressed you must not have decompressed they must not have decompressed
V-ing perfect
I must not have been decompressing you must not have been decompressing he must not have been decompressing we must not have been decompressing you must not have been decompressing they must not have been decompressing
Interrogative form
Simple form
must I decompress? must you decompress? must he decompress? must we decompress? must you decompress? must they decompress?
V-ing form
must I be decompressing? must you be decompressing? must he be decompressing? must we be decompressing? must you be decompressing? must they be decompressing?
Perfect
must I have decompressed? must you have decompressed? must he have decompressed? must we have decompressed? must you have decompressed? must they have decompressed?
V-ing perfect
must I have been decompressing? must you have been decompressing? must he have been decompressing? must we have been decompressing? must you have been decompressing? must they have been decompressing?
Interro-negative form
Simple form
must I not decompress? must you not decompress? must he not decompress? must we not decompress? must you not decompress? must they not decompress?
V-ing form
must I not be decompressing? must you not be decompressing? must he not be decompressing? must we not be decompressing? must you not be decompressing? must they not be decompressing?
Perfect
must I not have decompressed? must you not have decompressed? must he not have decompressed? must we not have decompressed? must you not have decompressed? must they not have decompressed?
V-ing perfect
must I not have been decompressing? must you not have been decompressing? must he not have been decompressing? must we not have been decompressing? must you not have been decompressing? must they not have been decompressing?