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