"Judy does not have a new scarf."

Translation: لَيْسَ عِنْد جودي وِشاح جَديد.

[SteveMediterra]

Can you say "la" or "msh" instead of laysa?

[zheleamustafa]

It depends on the accent you're speaking this is "Fusha". Usually in arab country the language changes
for example in Iraq they "ma"
(Ex: ma 3indik bayt).

Hope this answers

[Elisa_2404]

Isn't it: ليست عنده جودي وشاح حديد.
Because Judy is a female person?

[DorBaron01]

It would be just عندها without جودي, because عندها already has the "she" in the word. You can't say "Judy she doesn't have a new scarf".

[Elisa_2404]

عندها :I mean