I must foresee you must foresee she must foresee we must foresee you must foresee they must foresee
V-ing form
I must be foreseeing you must be foreseeing she must be foreseeing we must be foreseeing you must be foreseeing they must be foreseeing
Perfect
I must have foreseen you must have foreseen she must have foreseen we must have foreseen you must have foreseen they must have foreseen
V-ing perfect
I must have been foreseeing you must have been foreseeing she must have been foreseeing we must have been foreseeing you must have been foreseeing they must have been foreseeing
Negation
Simple form
I mustn't foresee you mustn't foresee she mustn't foresee we mustn't foresee you mustn't foresee they mustn't foresee
V-ing form
I mustn't be foreseeing you mustn't be foreseeing she mustn't be foreseeing we mustn't be foreseeing you mustn't be foreseeing they mustn't be foreseeing
Perfect
I mustn't have foreseen you mustn't have foreseen she mustn't have foreseen we mustn't have foreseen you mustn't have foreseen they mustn't have foreseen
V-ing perfect
I mustn't have been foreseeing you mustn't have been foreseeing she mustn't have been foreseeing we mustn't have been foreseeing you mustn't have been foreseeing they mustn't have been foreseeing
Interrogative form
Simple form
must I foresee? must you foresee? must she foresee? must we foresee? must you foresee? must they foresee?
V-ing form
must I be foreseeing? must you be foreseeing? must she be foreseeing? must we be foreseeing? must you be foreseeing? must they be foreseeing?
Perfect
must I have foreseen? must you have foreseen? must she have foreseen? must we have foreseen? must you have foreseen? must they have foreseen?
V-ing perfect
must I have been foreseeing? must you have been foreseeing? must she have been foreseeing? must we have been foreseeing? must you have been foreseeing? must they have been foreseeing?
Interro-negative form
Simple form
mustn't I foresee? mustn't you foresee? mustn't she foresee? mustn't we foresee? mustn't you foresee? mustn't they foresee?
V-ing form
mustn't I be foreseeing? mustn't you be foreseeing? mustn't she be foreseeing? mustn't we be foreseeing? mustn't you be foreseeing? mustn't they be foreseeing?
Perfect
mustn't I have foreseen? mustn't you have foreseen? mustn't she have foreseen? mustn't we have foreseen? mustn't you have foreseen? mustn't they have foreseen?
V-ing perfect
mustn't I have been foreseeing? mustn't you have been foreseeing? mustn't she have been foreseeing? mustn't we have been foreseeing? mustn't you have been foreseeing? mustn't they have been foreseeing?