who
kes
how
kuidas
kus
where
kas
untranslatable question particle
mis
what
mis bussid
what buses
kuidas ma kesklinna saan?
how do i get to the city centre?
kas see buss lΓ€heb lennujaama?
does this bus go to the airport?
kui palju
how much
kui palju see maksab?
how much does this/it cost?
how many
mitu?