English verb conjugation
COULD FOREST

Regular verb: forest - forested - forested

Affirmation

Simple form	V-ing form
I could forest you could forest he could forest we could forest you could forest they could forest	I could be foresting you could be foresting he could be foresting we could be foresting you could be foresting they could be foresting
Perfect	V-ing perfect
I could have forested you could have forested he could have forested we could have forested you could have forested they could have forested	I could have been foresting you could have been foresting he could have been foresting we could have been foresting you could have been foresting they could have been foresting

Negation

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

Interrogative form

Simple form	V-ing form
could I forest? could you forest? could he forest? could we forest? could you forest? could they forest?	could I be foresting? could you be foresting? could he be foresting? could we be foresting? could you be foresting? could they be foresting?
Perfect	V-ing perfect
could I have forested? could you have forested? could he have forested? could we have forested? could you have forested? could they have forested?	could I have been foresting? could you have been foresting? could he have been foresting? could we have been foresting? could you have been foresting? could they have been foresting?

Interro-negative form

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