校舎内では走ってはいけません。
Sentence Analyzer
English Translation
You must not run in the school buildings.
Furigana
Romanji
Kōshanai de wa hashitte waikemasen.
Words
で
(で、にて)
indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
走る
(はしる)
to run; to travel (movement of vehicles); to drive; to hurry to; to retreat (from battle); to take flight; to run away from home; to elope; to tend heavily toward
ば
(ば)
if ... then; when; and; why don't you...?; the more (one does something); because; since