Questions & Answers about Η τρόμπα είναι στην τσάντα.
Είναι is the present-tense form of είμαι, meaning to be. Here it means is.
So in this sentence, η τρόμπα είναι... = the pump is...
A useful extra point: είναι is also the form used for they are, so context tells you whether it is singular or plural.
Στην is the usual contracted form of σε την.
- σε = in / at / to / on
- την = the feminine accusative form of the
So:
σε την τσάντα → στην τσάντα
This is very common in Greek. In this sentence, στην means in the.