I must acidulate you must acidulate he must acidulate we must acidulate you must acidulate they must acidulate
V-ing form
I must be acidulating you must be acidulating he must be acidulating we must be acidulating you must be acidulating they must be acidulating
Perfect
I must have acidulated you must have acidulated he must have acidulated we must have acidulated you must have acidulated they must have acidulated
V-ing perfect
I must have been acidulating you must have been acidulating he must have been acidulating we must have been acidulating you must have been acidulating they must have been acidulating
Negation
Simple form
I must not acidulate you must not acidulate he must not acidulate we must not acidulate you must not acidulate they must not acidulate
V-ing form
I must not be acidulating you must not be acidulating he must not be acidulating we must not be acidulating you must not be acidulating they must not be acidulating
Perfect
I must not have acidulated you must not have acidulated he must not have acidulated we must not have acidulated you must not have acidulated they must not have acidulated
V-ing perfect
I must not have been acidulating you must not have been acidulating he must not have been acidulating we must not have been acidulating you must not have been acidulating they must not have been acidulating
Interrogative form
Simple form
must I acidulate? must you acidulate? must he acidulate? must we acidulate? must you acidulate? must they acidulate?
V-ing form
must I be acidulating? must you be acidulating? must he be acidulating? must we be acidulating? must you be acidulating? must they be acidulating?
Perfect
must I have acidulated? must you have acidulated? must he have acidulated? must we have acidulated? must you have acidulated? must they have acidulated?
V-ing perfect
must I have been acidulating? must you have been acidulating? must he have been acidulating? must we have been acidulating? must you have been acidulating? must they have been acidulating?
Interro-negative form
Simple form
must I not acidulate? must you not acidulate? must he not acidulate? must we not acidulate? must you not acidulate? must they not acidulate?
V-ing form
must I not be acidulating? must you not be acidulating? must he not be acidulating? must we not be acidulating? must you not be acidulating? must they not be acidulating?
Perfect
must I not have acidulated? must you not have acidulated? must he not have acidulated? must we not have acidulated? must you not have acidulated? must they not have acidulated?
V-ing perfect
must I not have been acidulating? must you not have been acidulating? must he not have been acidulating? must we not have been acidulating? must you not have been acidulating? must they not have been acidulating?