Template:nn-verb-form-pre/documentation

Usage
If the verb in question got an infinitive suffix, such as å vera/å vere and å kasta/å kaste, remove the suffix and use the stripped word as an argument for the  parameter, like this:

If the verb does not have an infinitive suffix, like gå, the template is used like this:

If the form is a bracket form, include the  parameter and set it to whatever value. E.g. if the bracket form in question is kjemer, the stem is set to  and   is set to   (it does not matter which value the parameter is given; the result will always be the same):