must forest
Verbo regular: forest - forested- forested

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must forest
you must forest
she must forest
we must forest
you must forest
they must forest 	I must be foresting
you must be foresting
she must be foresting
we must be foresting
you must be foresting
they must be foresting	I must have forested
you must have forested
she must have forested
we must have forested
you must have forested
they must have forested	I must have been foresting
you must have been foresting
she must have been foresting
we must have been foresting
you must have been foresting
they must have been foresting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not forest
you must not forest
she must not forest
we must not forest
you must not forest
they must not forest 	I must not be foresting
you must not be foresting
she must not be foresting
we must not be foresting
you must not be foresting
they must not be foresting	I must not have forested
you must not have forested
she must not have forested
we must not have forested
you must not have forested
they must not have forested	I must not have been foresting
you must not have been foresting
she must not have been foresting
we must not have been foresting
you must not have been foresting
they must not have been foresting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I forest?
must you forest?
must she forest?
must we forest?
must you forest?
must they forest? 	must I be foresting?
must you be foresting?
must she be foresting?
must we be foresting?
must you be foresting?
must they be foresting? 	must I have forested?
must you have forested?
must she have forested?
must we have forested?
must you have forested?
must they have forested? 	must I have been foresting?
must you have been foresting?
must she have been foresting?
must we have been foresting?
must you have been foresting?
must they have been foresting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not forest?
must you not forest?
must she not forest?
must we not forest?
must you not forest?
must they not forest? 	must I not be foresting?
must you not be foresting?
must she not be foresting?
must we not be foresting?
must you not be foresting?
must they not be foresting? 	must I not have forested?
must you not have forested?
must she not have forested?
must we not have forested?
must you not have forested?
must they not have forested? 	must I not have been foresting?
must you not have been foresting?
must she not have been foresting?
must we not have been foresting?
must you not have been foresting?
must they not have been foresting?