Breakdown of Le témoin n'a rien vu.
avoir
to have
ne
not (used before the verb)
voir
to see
rien
nothing (ne ... rien)
Questions & Answers about Le témoin n'a rien vu.
Why does rien go right in the middle of a and vu?
Why isn't there a pas in this sentence?
Is vu an irregular past participle?
Yes, it is the past participle of the verb voir (to see). Because voir is an irregular verb, you just have to memorize that its past participle is vu.