must afforest
Regular verb: afforest - afforested- afforested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must afforest
you must afforest
he must afforest
we must afforest
you must afforest
they must afforest 	I must be afforesting
you must be afforesting
he must be afforesting
we must be afforesting
you must be afforesting
they must be afforesting	I must have afforested
you must have afforested
he must have afforested
we must have afforested
you must have afforested
they must have afforested	I must have been afforesting
you must have been afforesting
he must have been afforesting
we must have been afforesting
you must have been afforesting
they must have been afforesting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't afforest
you mustn't afforest
he mustn't afforest
we mustn't afforest
you mustn't afforest
they mustn't afforest 	I mustn't be afforesting
you mustn't be afforesting
he mustn't be afforesting
we mustn't be afforesting
you mustn't be afforesting
they mustn't be afforesting	I mustn't have afforested
you mustn't have afforested
he mustn't have afforested
we mustn't have afforested
you mustn't have afforested
they mustn't have afforested	I mustn't have been afforesting
you mustn't have been afforesting
he mustn't have been afforesting
we mustn't have been afforesting
you mustn't have been afforesting
they mustn't have been afforesting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I afforest?
must you afforest?
must he afforest?
must we afforest?
must you afforest?
must they afforest? 	must I be afforesting?
must you be afforesting?
must he be afforesting?
must we be afforesting?
must you be afforesting?
must they be afforesting? 	must I have afforested?
must you have afforested?
must he have afforested?
must we have afforested?
must you have afforested?
must they have afforested? 	must I have been afforesting?
must you have been afforesting?
must he have been afforesting?
must we have been afforesting?
must you have been afforesting?
must they have been afforesting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I afforest?
mustn't you afforest?
mustn't he afforest?
mustn't we afforest?
mustn't you afforest?
mustn't they afforest? 	mustn't I be afforesting?
mustn't you be afforesting?
mustn't he be afforesting?
mustn't we be afforesting?
mustn't you be afforesting?
mustn't they be afforesting? 	mustn't I have afforested?
mustn't you have afforested?
mustn't he have afforested?
mustn't we have afforested?
mustn't you have afforested?
mustn't they have afforested? 	mustn't I have been afforesting?
mustn't you have been afforesting?
mustn't he have been afforesting?
mustn't we have been afforesting?
mustn't you have been afforesting?
mustn't they have been afforesting?