"Jemagzeggenwatjewil."

I'm stabbing in the dark here, but I think the "main" verb in the sentence is mag, which is why it is in second place (subject + verb) and then "wat je wil" is an extra clause to the full sentence. Hence, your sentence would probably be wrong.

Hi H_Butler,

In je mag zeggen wat je wil

Ik= subject

mag= modal verb - finite (conjugated) (must remain with the subject)

zeggen= main verb

wat je wil= Direct Object of the verb zeggen, what you may say. At the same time, this is a dependent/subordinate clause, and in such clauses, verbs are placed at the end.

I'm not an expert, but I think that in this case zeggen is placed after mag (instead of at the end of the sentence) because the Direct Object is a clause and it could create confusion regarding to which modal verb zeggen is related (mag or wil).

For example, if you were to say:

Je mag dat wel zeggen

then zeggen is indeed placed at the end.

Hope this helps.

That is also accepted. "Je wil" and "je wilt" are both correct. The latter is a bit more formal.

Yeap, it's because of mag. Remember that modal verbs combine with bare infinitive verbs.

Hope this helps.