トムはメアリーの苗字を知らなかった。
Sentence Analyzer
English Translation
        Tom didn't know what Mary's last name was.
    
Furigana
        トムはメアリーの苗字 を知 らなかった。
    
Romanji
        Tomu wa Meari- no myōji o shiranakatta.
    
Words
            
                富む
            
            
                (とむ)
            
        
        
            to be rich; to become rich; to be abundant (with); to abound (with); to be rich (in)
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                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
        
    
            
                名字
            
            
                (みょうじ)
            
        
        
            surname; family name
        
    
            
                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.
        
    
            
                知る
            
            
                (しる)
            
        
        
            to be aware of; to know; to be conscious of; to cognize; to cognise; to notice; to feel; to understand; to comprehend; to grasp; to remember; to be acquainted with (a procedure); to experience; to go through; to learn; to be acquainted with (a person); to get to know; to concern