"Nomimasu" means "to drink", while "yomimasu" means "to read". "Kanojo wa hirugohan no ato ni yomimasu/nomimasu" means "after luch the girl will read/drink" "kimasu" means "to come". the final sentence "juuyon wa juusan no ato ni kimasu" means "after 13 comes 14".

Kanojo wa hirugohan no ato ni yomimasu - means the girl will read after lunch juuyon wa juusan no ato ni kimasu - I suppose this means someone will come after 1 pm suffix "masu" (ます) is affirmative polite form of the verb

よみます = to read (infinitive: よむ) かのじょはひるごはんのあとによみます is correct but it sounds unnatural to me because よむ needs object like "read the book / newspaper / etc". I would say: かのじょはひるごはんのあと、ほんをよみます。 *We have another way of saying "to read the book(s)", it's どくしょをする and どくしょ is a noun for "reading book(s)", so you can say "I like reading": わたしはどくしょがすきです。 のみます = to drink (infinitive: のむ) かのじょはひるごはんのあとにのみます can be understood "she drinks (alcohols) after the lunch", in other cases, we need object like "coffee / tea / juice / etc". きます = to come (infinitive: くる) くる is the verb which conjugates irregularly. I hope this was helpful but if you have doubt, please let me know.

Yes I know hiragana, still learning katakana/kanji. Almost complete with katakana. Sorry for the late response..

Hi, have you already learn hiragana? Can I write the Japanese word with hiragana?