マユコは本をたくさん読む。

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

book; volume; script; this; present; main; head; real; regular; counter for long cylindrical things; counter for films, TV shows, etc.; counter for goals, home runs, etc.; counter for telephone calls

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

a lot; lots; plenty; many; a large number; much; a great deal; a good deal; enough; sufficient; enough; too many; too much

to read; to count; to guess; to predict; to read (someone's thoughts); to see (e.g. into someone's heart); to divine