I must rejoice you must rejoice he must rejoice we must rejoice you must rejoice they must rejoice
V-ing form
I must be rejoicing you must be rejoicing he must be rejoicing we must be rejoicing you must be rejoicing they must be rejoicing
Perfect
I must have rejoiced you must have rejoiced he must have rejoiced we must have rejoiced you must have rejoiced they must have rejoiced
V-ing perfect
I must have been rejoicing you must have been rejoicing he must have been rejoicing we must have been rejoicing you must have been rejoicing they must have been rejoicing
Negation
Simple form
I must not rejoice you must not rejoice he must not rejoice we must not rejoice you must not rejoice they must not rejoice
V-ing form
I must not be rejoicing you must not be rejoicing he must not be rejoicing we must not be rejoicing you must not be rejoicing they must not be rejoicing
Perfect
I must not have rejoiced you must not have rejoiced he must not have rejoiced we must not have rejoiced you must not have rejoiced they must not have rejoiced
V-ing perfect
I must not have been rejoicing you must not have been rejoicing he must not have been rejoicing we must not have been rejoicing you must not have been rejoicing they must not have been rejoicing
Interrogative form
Simple form
must I rejoice? must you rejoice? must he rejoice? must we rejoice? must you rejoice? must they rejoice?
V-ing form
must I be rejoicing? must you be rejoicing? must he be rejoicing? must we be rejoicing? must you be rejoicing? must they be rejoicing?
Perfect
must I have rejoiced? must you have rejoiced? must he have rejoiced? must we have rejoiced? must you have rejoiced? must they have rejoiced?
V-ing perfect
must I have been rejoicing? must you have been rejoicing? must he have been rejoicing? must we have been rejoicing? must you have been rejoicing? must they have been rejoicing?
Interro-negative form
Simple form
must I not rejoice? must you not rejoice? must he not rejoice? must we not rejoice? must you not rejoice? must they not rejoice?
V-ing form
must I not be rejoicing? must you not be rejoicing? must he not be rejoicing? must we not be rejoicing? must you not be rejoicing? must they not be rejoicing?
Perfect
must I not have rejoiced? must you not have rejoiced? must he not have rejoiced? must we not have rejoiced? must you not have rejoiced? must they not have rejoiced?
V-ing perfect
must I not have been rejoicing? must you not have been rejoicing? must he not have been rejoicing? must we not have been rejoicing? must you not have been rejoicing? must they not have been rejoicing?