I must enjoin you must enjoin he must enjoin we must enjoin you must enjoin they must enjoin
V-ing form
I must be enjoining you must be enjoining he must be enjoining we must be enjoining you must be enjoining they must be enjoining
Perfect
I must have enjoined you must have enjoined he must have enjoined we must have enjoined you must have enjoined they must have enjoined
V-ing perfect
I must have been enjoining you must have been enjoining he must have been enjoining we must have been enjoining you must have been enjoining they must have been enjoining
Negation
Simple form
I must not enjoin you must not enjoin he must not enjoin we must not enjoin you must not enjoin they must not enjoin
V-ing form
I must not be enjoining you must not be enjoining he must not be enjoining we must not be enjoining you must not be enjoining they must not be enjoining
Perfect
I must not have enjoined you must not have enjoined he must not have enjoined we must not have enjoined you must not have enjoined they must not have enjoined
V-ing perfect
I must not have been enjoining you must not have been enjoining he must not have been enjoining we must not have been enjoining you must not have been enjoining they must not have been enjoining
Interrogative form
Simple form
must I enjoin? must you enjoin? must he enjoin? must we enjoin? must you enjoin? must they enjoin?
V-ing form
must I be enjoining? must you be enjoining? must he be enjoining? must we be enjoining? must you be enjoining? must they be enjoining?
Perfect
must I have enjoined? must you have enjoined? must he have enjoined? must we have enjoined? must you have enjoined? must they have enjoined?
V-ing perfect
must I have been enjoining? must you have been enjoining? must he have been enjoining? must we have been enjoining? must you have been enjoining? must they have been enjoining?
Interro-negative form
Simple form
must I not enjoin? must you not enjoin? must he not enjoin? must we not enjoin? must you not enjoin? must they not enjoin?
V-ing form
must I not be enjoining? must you not be enjoining? must he not be enjoining? must we not be enjoining? must you not be enjoining? must they not be enjoining?
Perfect
must I not have enjoined? must you not have enjoined? must he not have enjoined? must we not have enjoined? must you not have enjoined? must they not have enjoined?
V-ing perfect
must I not have been enjoining? must you not have been enjoining? must he not have been enjoining? must we not have been enjoining? must you not have been enjoining? must they not have been enjoining?