must deforest
Verbo regular: deforest - deforested- deforested

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must deforest
you must deforest
she must deforest
we must deforest
you must deforest
they must deforest 	I must be deforesting
you must be deforesting
she must be deforesting
we must be deforesting
you must be deforesting
they must be deforesting	I must have deforested
you must have deforested
she 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
she must have been deforesting
we must have been deforesting
you must have been deforesting
they must have been deforesting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not deforest
you must not deforest
she 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
she 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
she 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
she must not have been deforesting
we must not have been deforesting
you must not have been deforesting
they must not have been deforesting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I deforest?
must you deforest?
must she deforest?
must we deforest?
must you deforest?
must they deforest? 	must I be deforesting?
must you be deforesting?
must she be deforesting?
must we be deforesting?
must you be deforesting?
must they be deforesting? 	must I have deforested?
must you have deforested?
must she 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 she have been deforesting?
must we have been deforesting?
must you have been deforesting?
must they have been deforesting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not deforest?
must you not deforest?
must she 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 she 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 she 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 she not have been deforesting?
must we not have been deforesting?
must you not have been deforesting?
must they not have been deforesting?