Regular verb: forest - forested - forested
Simple form | V-ing form |
I must forest you must forest he must forest we must forest you must forest they must forest | I must be foresting you must be foresting he 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 he 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 he must have been foresting we must have been foresting you must have been foresting they must have been foresting |
Simple form | V-ing form |
I mustn't forest you mustn't forest he 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 he 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 he 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 he mustn't have been foresting we mustn't have been foresting you mustn't have been foresting they mustn't have been foresting |
Simple form | V-ing form |
must I forest? must you forest? must he forest? must we forest? must you forest? must they forest? | must I be foresting? must you be foresting? must he 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 he 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 he have been foresting? must we have been foresting? must you have been foresting? must they have been foresting? |
Simple form | V-ing form |
mustn't I forest? mustn't you forest? mustn't he 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 he 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 he 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 he have been foresting? mustn't we have been foresting? mustn't you have been foresting? mustn't they have been foresting? |