１日中テニスをしていたのだから。
Sentence Analyzer
English Translation
He was playing tennis all day.
Furigana
１日中 テニスをしていたのだから。
Romanji
Ichi nichichū tenisu o shiteita no da kara.
Words
一
(いち)
one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)
日中
(にっちゅう、ひなか)
daytime; during the day; Sino-Japanese
テニス
(テニス)
tennis
を
(を)
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.
為る
(する)
to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to
の
(の)
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
だ
(だ)
be; is; indicates past or completed action; indicates light imperative
から
(から)
from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since