本, ほん
1. book, volume, script
Prefix
2. this, present, current, ... in question, ... at issue
3. main, head, principal
4. real, genuine, regular, proper
Counter
5. counter for long, cylindrical things, counter for films, TV shows, etc., counter for goals, home runs, etc., counter for telephone calls
昨日はその本を80ページまで読んだ。
元, 本, 素, 基, もと
esp. 元
1. origin, source, beginning
oft. 基
2. basis, base, foundation, root
also written as 因, 原
3. cause
esp. 素
4. (raw) material, ingredient, mix (e.g. for a cake), (soup) stock
Only 元
5. (one's) side
は
Particle, pronounced わ in modern Japanese
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
どれくらい, どれ位, どれぐらい
Expression, Adverb, See どの位・どのくらい, Usually in kana
how long, how far, how much