De or het gootplank?

The correct Dutch article is:

de gootplank

How to use gootplank

the gootplankde gootplank
this gootplankdeze gootplank
that gootplankdie gootplank
our gootplankonze gootplank
your gootplankjouw gootplank
every gootplankelke gootplank
which gootplank?welke gootplank?
a big gootplank / the big gootplankeen grote gootplank, de grote gootplank