外はだんだん明るくなっていく。
Sentence Analyzer
English Translation
        It is getting lighter outside.
    
Furigana
Romanji
        Soto wa dandan akaruku natteiku.
    
Words
            
                外
            
            
                (そと、と)
            
        
        
            outside; exterior; open air; other place
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                段々
            
            
                (だんだん)
            
        
        
            gradually; by degrees; steps; stairs; staircase; terrace
        
    
            
                明るい
            
            
                (あかるい)
            
        
        
            bright; colourful; cheerful; familiar (with); knowledgeable (about); fair (e.g. politics); clean
        
    
            
                成る
            
            
                (なる)
            
        
        
            to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...