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