"Difficult languages are not greatly liked by the students."

Translation: Malfacilaj lingvoj ne estas multe ŝatataj de la studentoj.

[nim_numb]

Why is "per la studentoj" incorrect?

[Khiori]

Why is "ŝatataj" plural? Is it because of the "languages" or "students"?

[hellomidnight]

"Ne multe ŝatataj" is plural because it's a description of the languages. If you were talking about one language you would say something like "La malfacila lingvo ne estas multe ŝatata de la studentoj".

[ShubhamRaut]

Why can't we use 'ne estas sxategi'?

[JoseGTeixeira]

You're missing the -at in the verb that indicates the participle. However, I tried using "ne estas ŝatategaj" and it's wrong.

[hellomidnight]

It should be "ŝategataj"