I must afforest you must afforest she must afforest we must afforest you must afforest they must afforest
V-ing form
I must be afforesting you must be afforesting she must be afforesting we must be afforesting you must be afforesting they must be afforesting
Perfect
I must have afforested you must have afforested she must have afforested we must have afforested you must have afforested they must have afforested
V-ing perfect
I must have been afforesting you must have been afforesting she must have been afforesting we must have been afforesting you must have been afforesting they must have been afforesting
Negation
Simple form
I must not afforest you must not afforest she must not afforest we must not afforest you must not afforest they must not afforest
V-ing form
I must not be afforesting you must not be afforesting she must not be afforesting we must not be afforesting you must not be afforesting they must not be afforesting
Perfect
I must not have afforested you must not have afforested she must not have afforested we must not have afforested you must not have afforested they must not have afforested
V-ing perfect
I must not have been afforesting you must not have been afforesting she must not have been afforesting we must not have been afforesting you must not have been afforesting they must not have been afforesting
Interrogative form
Simple form
must I afforest? must you afforest? must she afforest? must we afforest? must you afforest? must they afforest?
V-ing form
must I be afforesting? must you be afforesting? must she be afforesting? must we be afforesting? must you be afforesting? must they be afforesting?
Perfect
must I have afforested? must you have afforested? must she have afforested? must we have afforested? must you have afforested? must they have afforested?
V-ing perfect
must I have been afforesting? must you have been afforesting? must she have been afforesting? must we have been afforesting? must you have been afforesting? must they have been afforesting?
Interro-negative form
Simple form
must I not afforest? must you not afforest? must she not afforest? must we not afforest? must you not afforest? must they not afforest?
V-ing form
must I not be afforesting? must you not be afforesting? must she not be afforesting? must we not be afforesting? must you not be afforesting? must they not be afforesting?
Perfect
must I not have afforested? must you not have afforested? must she not have afforested? must we not have afforested? must you not have afforested? must they not have afforested?
V-ing perfect
must I not have been afforesting? must you not have been afforesting? must she not have been afforesting? must we not have been afforesting? must you not have been afforesting? must they not have been afforesting?