欧美精品手机一级在线播放,中文字幕在线欧美日韩,欧美精品中文字幕亚洲专区,国产免费观看网站

  • 

    
<mark id="hrvb1"><strong id="hrvb1"></strong></mark>
  • <td id="hrvb1"></td>
    


    
    
    
        
        
        
    
    

    

    
    
    
    
        
    
            
            
    had done的用法總結(jié)
    
            
            
    回答
    
            
    
                
                瑞文問答
                
    2024-08-19
            
    
            
    
                could have done可以表示“過去本來能夠做某事而實際上沒有做”。如：
    I could have come here a little earlier, but Im late because of the bad traffic.
    must have done表示對過去已經(jīng)發(fā)生過的情況的肯定推測，語氣較強。
            
    
            
            
    擴展資料
    
            
    　　may / might have done表示對已經(jīng)發(fā)生過的情況的肯定推測，語氣稍弱。might have done還可表示“本可能做某事而實際上沒有做”。如：
    had done的用法總結(jié)
    　　She didn''t come on time. She may / might have missed the bus.
    　　He might have given you more help, but he was very busy then.
    　　should / ought to have done表示“本該做某事而實際上沒有做”，其否定形式表示“本不該做某事而實際上做了”，通常含有責備的意思。如：
    　　The flowers have died. I should / ought to have watered them often.
    　　You shouldn''t / ought not to have told them the truth.