Questions & Answers about La pejzaĝo havas belan akvofalon.
The -n marks the direct object in Esperanto.
In this sentence, the thing being had is belan akvofalon — a beautiful waterfall. That is why akvofalo becomes akvofalon.
The adjective also has to match the noun, so bela becomes belan to agree with akvofalon.
So:
- akvofalo = waterfall
- akvofalon = waterfall as the direct object
- bela = beautiful
- belan = beautiful, agreeing with a direct-object noun
Because havas means has, while estas means is.
This sentence says the landscape has / contains / features a beautiful waterfall. It does not say that the landscape is a beautiful waterfall.
So:
- La pejzaĝo havas belan akvofalon. = The landscape has a beautiful waterfall.
- La pejzaĝo estas bela. = The landscape is beautiful.