I must disjoin you must disjoin he must disjoin we must disjoin you must disjoin they must disjoin
V-ing form
I must be disjoining you must be disjoining he must be disjoining we must be disjoining you must be disjoining they must be disjoining
Perfect
I must have disjoined you must have disjoined he must have disjoined we must have disjoined you must have disjoined they must have disjoined
V-ing perfect
I must have been disjoining you must have been disjoining he must have been disjoining we must have been disjoining you must have been disjoining they must have been disjoining
Negation
Simple form
I mustn't disjoin you mustn't disjoin he mustn't disjoin we mustn't disjoin you mustn't disjoin they mustn't disjoin
V-ing form
I mustn't be disjoining you mustn't be disjoining he mustn't be disjoining we mustn't be disjoining you mustn't be disjoining they mustn't be disjoining
Perfect
I mustn't have disjoined you mustn't have disjoined he mustn't have disjoined we mustn't have disjoined you mustn't have disjoined they mustn't have disjoined
V-ing perfect
I mustn't have been disjoining you mustn't have been disjoining he mustn't have been disjoining we mustn't have been disjoining you mustn't have been disjoining they mustn't have been disjoining
Interrogative form
Simple form
must I disjoin? must you disjoin? must he disjoin? must we disjoin? must you disjoin? must they disjoin?
V-ing form
must I be disjoining? must you be disjoining? must he be disjoining? must we be disjoining? must you be disjoining? must they be disjoining?
Perfect
must I have disjoined? must you have disjoined? must he have disjoined? must we have disjoined? must you have disjoined? must they have disjoined?
V-ing perfect
must I have been disjoining? must you have been disjoining? must he have been disjoining? must we have been disjoining? must you have been disjoining? must they have been disjoining?
Interro-negative form
Simple form
mustn't I disjoin? mustn't you disjoin? mustn't he disjoin? mustn't we disjoin? mustn't you disjoin? mustn't they disjoin?
V-ing form
mustn't I be disjoining? mustn't you be disjoining? mustn't he be disjoining? mustn't we be disjoining? mustn't you be disjoining? mustn't they be disjoining?
Perfect
mustn't I have disjoined? mustn't you have disjoined? mustn't he have disjoined? mustn't we have disjoined? mustn't you have disjoined? mustn't they have disjoined?
V-ing perfect
mustn't I have been disjoining? mustn't you have been disjoining? mustn't he have been disjoining? mustn't we have been disjoining? mustn't you have been disjoining? mustn't they have been disjoining?