Ask who, what, where — and say you don’t understand.

• què?what?
• qui?who?
• on?where?
• quan?when?
• com?how?
• per què?why? (two words; 'perquè' as one word means 'because')
• quant?how much? (masc.; fem. 'quanta', pl. 'quants/quantes')
• quin?which? / what? (masc.; fem. 'quina')
• On és el lavabo?Where is the bathroom?
• Quant costa?How much does it cost?
• Com et dius?What's your name? (informal, lit. 'how do you call yourself?')
• Parles anglès?Do you speak English? (informal)