English verb conjugation
MUST FOREST

Regular verb: forest - forested - forested

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I mustn't forest you mustn't forest she mustn't forest we mustn't forest you mustn't forest they mustn't forest	I mustn't be foresting you mustn't be foresting she mustn't be foresting we mustn't be foresting you mustn't be foresting they mustn't be foresting
Perfect	V-ing perfect
I mustn't have forested you mustn't have forested she mustn't have forested we mustn't have forested you mustn't have forested they mustn't have forested	I mustn't have been foresting you mustn't have been foresting she mustn't have been foresting we mustn't have been foresting you mustn't have been foresting they mustn't have been foresting

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
mustn't I forest? mustn't you forest? mustn't she forest? mustn't we forest? mustn't you forest? mustn't they forest?	mustn't I be foresting? mustn't you be foresting? mustn't she be foresting? mustn't we be foresting? mustn't you be foresting? mustn't they be foresting?
Perfect	V-ing perfect
mustn't I have forested? mustn't you have forested? mustn't she have forested? mustn't we have forested? mustn't you have forested? mustn't they have forested?	mustn't I have been foresting? mustn't you have been foresting? mustn't she have been foresting? mustn't we have been foresting? mustn't you have been foresting? mustn't they have been foresting?