昨日メアリーが買ったのは何ですか。
Sentence Analyzer
English Translation
        What was it that Mary bought yesterday?
    
Furigana
Romanji
        Kinō Meari- ga katta no wa nani desu ka.
    
Words
            
                昨日
            
            
                (きのう、さくじつ)
            
        
        
            yesterday
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                買う
            
            
                (かう)
            
        
        
            to buy; to purchase; to value; to have a high opinion; to stir; to provoke
        
    
            
                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
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                何
            
            
                (なに、なん)
            
        
        
            what; how many; you-know-what; that; whatsit; what's the expression; what do you call them; what?; hey!
        
    
            
                です
            
            
                (です)
            
        
        
            be; is
        
    
            
                か
            
            
                (か)
            
        
        
            indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way