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