phải không

Etymology
🇰🇲.

Particle

 * 1) is that true or not?; yes?; no?

Usage notes

 * The interrogative expression phải không is placed at the end of a statement and may be preceded by a comma to form a question when the speaker expects his hearer to confirm what he or she just said.
 * The negative reply begins either with (or its variants, such as ) or không phải, no matter whether the predicate is verbal, adjectival or nominal.