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 must not reforest you must not reforest he must not reforest we must not reforest you must not reforest they must not reforest
V-ing form
I must not be reforesting you must not be reforesting he must not be reforesting we must not be reforesting you must not be reforesting they must not be reforesting
Perfect
I must not have reforested you must not have reforested he must not have reforested we must not have reforested you must not have reforested they must not have reforested
V-ing perfect
I must not have been reforesting you must not have been reforesting he must not have been reforesting we must not have been reforesting you must not have been reforesting they must not 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
must I not reforest? must you not reforest? must he not reforest? must we not reforest? must you not reforest? must they not reforest?
V-ing form
must I not be reforesting? must you not be reforesting? must he not be reforesting? must we not be reforesting? must you not be reforesting? must they not be reforesting?
Perfect
must I not have reforested? must you not have reforested? must he not have reforested? must we not have reforested? must you not have reforested? must they not have reforested?
V-ing perfect
must I not have been reforesting? must you not have been reforesting? must he not have been reforesting? must we not have been reforesting? must you not have been reforesting? must they not have been reforesting?