This

Voornaamwoord

  is

Hulp

  the

Bepaler

  main

Byvoeglike naamwoord

  reason

Selfstandige naamwoord

  why

Bywoord

  pesto

Selfstandige naamwoord

  recipes

Selfstandige naamwoord

  often

Bywoord

  differ

Werkwoord

  from

Aanneming

  each other

.

This is the main reason why pesto recipes often differ from each other.

This is the main reason why pesto recipes often differ from each other.