彼は月に一度は必ず故郷に手紙を書く。
Sentence Analyzer
English Translation
        He never fails to write home once a month.
    
Furigana
Romanji
        Kare wa tsuki ni ichi do wa kanarazu kokyō ni tegami o kaku.
    
Words
            
                彼
            
            
                (かれ)
            
        
        
            he; him; his; boyfriend
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                月
            
            
                (つき)
            
        
        
            moon; month
        
    
            
                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
        
    
            
                一
            
            
                (いち)
            
        
        
            one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)
        
    
            
                度
            
            
                (ど)
            
        
        
            degree (angle, temperature, scale, etc.); counter for occurrences and times; strength (of alcohol)
        
    
            
                必ず
            
            
                (かならず)
            
        
        
            always; without exception; necessarily; certainly; without fail; positively; invariably
        
    
            
                故郷
            
            
                (ふるさと、こきょう、きゅうり)
            
        
        
            home town; birthplace; native place; one's old home; ruins; historic remains
        
    
            
                手紙
            
            
                (てがみ)
            
        
        
            letter
        
    
            
                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.
        
    
            
                書く
            
            
                (かく)
            
        
        
            to write; to compose; to pen; to draw; to paint
        
    Kanji
Readings: ヒ、 かれ、 かの、 か.の
                        Meanings: he, that, the
                    Readings: ゲツ、 ガツ、 つき
                        Meanings: month, moon
                    Readings: イチ、 イツ、 ひと-、 ひと.つ
                        Meanings: one, one radical (no.1)
                    Readings: ド、 ト、 タク、 たび、 -た.い
                        Meanings: degrees, occurrence, time, counter for occurrences, consider, attitude
                    Readings: ヒツ、 かなら.ず
                        Meanings: invariably, certain, inevitable
                    Readings: コ、 ゆえ、 ふる.い、 もと
                        Meanings: happenstance, especially, intentionally, reason, cause, circumstances, the late, therefore, consequently
                    Readings: キョウ、 ゴウ、 さと
                        Meanings: home town, village, native place, district
                    Readings: シュ、 ズ、 て、 て-、 -て、 た-
                        Meaning: hand
                    Readings: シ、 かみ
                        Meaning: paper
                    Readings: ショ、 か.く、 -が.き、 -がき
                        Meaning: write