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