De or het imagovorming?

The correct Dutch article is:

de imagovorming

Rule Words ending in -ing: almost always de. See the rule

How to use imagovorming

the imagovormingde imagovorming
this imagovormingdeze imagovorming
that imagovormingdie imagovorming
our imagovormingonze imagovorming
your imagovormingjouw imagovorming
every imagovormingelke imagovorming
which imagovorming?welke imagovorming?
a big imagovorming / the big imagovormingeen grote imagovorming, de grote imagovorming