I must bituminize you must bituminize he must bituminize we must bituminize you must bituminize they must bituminize
V-ing form
I must be bituminizing you must be bituminizing he must be bituminizing we must be bituminizing you must be bituminizing they must be bituminizing
Perfect
I must have bituminized you must have bituminized he must have bituminized we must have bituminized you must have bituminized they must have bituminized
V-ing perfect
I must have been bituminizing you must have been bituminizing he must have been bituminizing we must have been bituminizing you must have been bituminizing they must have been bituminizing
Negation
Simple form
I must not bituminize you must not bituminize he must not bituminize we must not bituminize you must not bituminize they must not bituminize
V-ing form
I must not be bituminizing you must not be bituminizing he must not be bituminizing we must not be bituminizing you must not be bituminizing they must not be bituminizing
Perfect
I must not have bituminized you must not have bituminized he must not have bituminized we must not have bituminized you must not have bituminized they must not have bituminized
V-ing perfect
I must not have been bituminizing you must not have been bituminizing he must not have been bituminizing we must not have been bituminizing you must not have been bituminizing they must not have been bituminizing
Interrogative form
Simple form
must I bituminize? must you bituminize? must he bituminize? must we bituminize? must you bituminize? must they bituminize?
V-ing form
must I be bituminizing? must you be bituminizing? must he be bituminizing? must we be bituminizing? must you be bituminizing? must they be bituminizing?
Perfect
must I have bituminized? must you have bituminized? must he have bituminized? must we have bituminized? must you have bituminized? must they have bituminized?
V-ing perfect
must I have been bituminizing? must you have been bituminizing? must he have been bituminizing? must we have been bituminizing? must you have been bituminizing? must they have been bituminizing?
Interro-negative form
Simple form
must I not bituminize? must you not bituminize? must he not bituminize? must we not bituminize? must you not bituminize? must they not bituminize?
V-ing form
must I not be bituminizing? must you not be bituminizing? must he not be bituminizing? must we not be bituminizing? must you not be bituminizing? must they not be bituminizing?
Perfect
must I not have bituminized? must you not have bituminized? must he not have bituminized? must we not have bituminized? must you not have bituminized? must they not have bituminized?
V-ing perfect
must I not have been bituminizing? must you not have been bituminizing? must he not have been bituminizing? must we not have been bituminizing? must you not have been bituminizing? must they not have been bituminizing?