Questions & Answers about Oszczędzam siedemdziesiąt złotych.
Because Polish often leaves out subject pronouns when the verb already shows who is doing the action.
The ending -am in oszczędzam tells you it means I.
So:
- Oszczędzam siedemdziesiąt złotych. = I save / I am saving seventy złoty.
- Ja oszczędzam siedemdziesiąt złotych. is also possible, but ja adds emphasis, like I am saving it.
Oszczędzam is the 1st person singular present tense form of oszczędzać.
That means it can express:
- I save
- I am saving
- sometimes I am trying to save / I save regularly
Polish present tense often covers both the simple present and the present continuous from English.