Χαλεπὰ τὰ Καλά! (neuter plural = ‘things’)
(answer with the plural in the proper case)
1) Τί φιλοῦσιν οἱ ἄνθρωποι;
(‘what do people love?’ answer with Direct Object, PLURAL)
τὸ δένδρον καλόν; --> οἱ ἄνθρωποι φιλοῦσι τὰ δένδρα καλά.
ὁ ἀγρὸς καλός; -->
ὁ οἶκος μικρός; -->
ὁ πόνος μακρός; -->
2) ἐκ τίνος (from what) βαίνει τὸ καλόν;
(answer with ἐκ + genitive plural)
ὁ οἶκος μικρός; --> τὸ καλὸν βαίνει ἐκ τῶν μικρῶν οἴκων
τὸ δένδρον καλόν; -->
ὁ ἀγρὸς μακρός; -->
ὁ πόνος χαλεπός; -->
3) τὸ καλὸν (ἐστιν) ἐν πολλοῖς.
(answer yes or no, ναί / οὐ, and change singular to plural)
ἐν τῷ οἴκῳ καλῷ; --> ναί, καλόν ἐστιν ἐν τοῖς οἴκοις καλοῖς
ἐν τῷ δένδρῳ μικρῷ;
ἐν τῷ πόνῳ χαλεπῷ;