Breakdown of Πρέπει να μεταφέρω δύο βαριά κουτιά στο υπόγειο πριν έρθουν οι καλεσμένοι.
Questions & Answers about Πρέπει να μεταφέρω δύο βαριά κουτιά στο υπόγειο πριν έρθουν οι καλεσμένοι.
Πρέπει is an impersonal verb meaning it is necessary / one must. It doesn’t have a subject like English I must.
So Πρέπει να μεταφέρω… literally works like It’s necessary for me to carry…, where μεταφέρω (1st person) shows that you are the one who must do it.
In Greek, after verbs/expressions like πρέπει, you normally use να + verb (the subjunctive structure) instead of an infinitive.
So Greek says Πρέπει να μεταφέρω (not “Πρέπει μεταφέρειν” or similar), meaning I must/need to carry.
μεταφέρω is present subjunctive (formally it looks like the present tense, but with να it functions as subjunctive).
It expresses what you need to do, not something happening right now. It’s equivalent to (to) carry / move in I need to carry/move.