明かりがついているから彼は家にいるにちがいない。
Sentence Analyzer
English Translation
        He must be at home as the light in on.
    
Furigana
Romanji
        Akari ga tsuiteiru kara kare wa ie ni iru ni chigainai.
    
Words
            
                明かり
            
            
                (あかり)
            
        
        
            light; illumination; glow; gleam; lamp; light
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                点く
            
            
                (つく)
            
        
        
            to be lit (e.g. electricity comes on); to be lighted; to catch fire
        
    
            
                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
        
    
            
                彼
            
            
                (かれ)
            
        
        
            he; him; his; boyfriend
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                家
            
            
                (いえ)
            
        
        
            house; residence; dwelling; family; household; lineage; family name
        
    
            
                に
            
            
                (に)
            
        
        
            at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
        
    
            
                要る
            
            
                (いる)
            
        
        
            to need; to want
        
    
            
                近い
            
            
                (ちかい)
            
        
        
            near; close; short (distance)