Questions & Answers about Stampo estas sur la naskiĝatesto.
Because stampo is being used in an indefinite sense: a stamp, not the stamp.
In Esperanto:
- stampo = a stamp or just stamp
- la stampo = the stamp
So Stampo estas sur la naskiĝatesto means something like A stamp is on the birth certificate. If you said La stampo estas sur la naskiĝatesto, that would mean The stamp is on the birth certificate, referring to a specific stamp already known from context.
Estas is the present tense of esti, which means to be.
So:
- esti = to be
- estas = is / are / am
In this sentence, estas links the subject stampo with the location phrase sur la naskiĝatesto.
So the structure is:
- Stampo = a stamp
- estas = is
- sur la naskiĝatesto = on the birth certificate
Sur means on, usually in the sense of being on a surface or attached to something.
Examples:
- sur la tablo = on the table
- sur la muro = on the wall
- sur la naskiĝatesto = on the birth certificate
So here it shows location.