N5 — outside your level filter
数＋歳
Needs a numeral in front of it and takes no だ／です, so there are no forms to conjugate.
歳
saicounter for years of ageN5counter
Example sentences2
子どもは三歳です。
kodomo wa sansai desu.
The child is three years old. neutral
弟、来月で五歳になるよ。
otouto, raigetsu de gosai ni naru yo.
My little brother turns five next month, you know. casual