Japanese counters


In Japanese, there are so many counters(助数詞). So I'm asking more counters
other than 月(しがつ、しちがつ、くがつ) or 時(よじ、しちじ、くじ).

i) What counter makes 4 read よ or し?

ii) What counter makes 7 read しち?

iii) What counter makes 9 read く?

