must deforest
Regular verb: deforest - deforested- deforested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must deforest
you must deforest
he must deforest
we must deforest
you must deforest
they must deforest 	I must be deforesting
you must be deforesting
he must be deforesting
we must be deforesting
you must be deforesting
they must be deforesting	I must have deforested
you must have deforested
he must have deforested
we must have deforested
you must have deforested
they must have deforested	I must have been deforesting
you must have been deforesting
he must have been deforesting
we must have been deforesting
you must have been deforesting
they must have been deforesting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not deforest
you must not deforest
he must not deforest
we must not deforest
you must not deforest
they must not deforest 	I must not be deforesting
you must not be deforesting
he must not be deforesting
we must not be deforesting
you must not be deforesting
they must not be deforesting	I must not have deforested
you must not have deforested
he must not have deforested
we must not have deforested
you must not have deforested
they must not have deforested	I must not have been deforesting
you must not have been deforesting
he must not have been deforesting
we must not have been deforesting
you must not have been deforesting
they must not have been deforesting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I deforest?
must you deforest?
must he deforest?
must we deforest?
must you deforest?
must they deforest? 	must I be deforesting?
must you be deforesting?
must he be deforesting?
must we be deforesting?
must you be deforesting?
must they be deforesting? 	must I have deforested?
must you have deforested?
must he have deforested?
must we have deforested?
must you have deforested?
must they have deforested? 	must I have been deforesting?
must you have been deforesting?
must he have been deforesting?
must we have been deforesting?
must you have been deforesting?
must they have been deforesting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not deforest?
must you not deforest?
must he not deforest?
must we not deforest?
must you not deforest?
must they not deforest? 	must I not be deforesting?
must you not be deforesting?
must he not be deforesting?
must we not be deforesting?
must you not be deforesting?
must they not be deforesting? 	must I not have deforested?
must you not have deforested?
must he not have deforested?
must we not have deforested?
must you not have deforested?
must they not have deforested? 	must I not have been deforesting?
must you not have been deforesting?
must he not have been deforesting?
must we not have been deforesting?
must you not have been deforesting?
must they not have been deforesting?