短語詞組短語modal auxiliary verb 表動(dòng)詞語態(tài)的助動(dòng)詞modal phrasal verb 情態(tài)短語modal l verb 必須modal abetting verb 表動(dòng)詞語態(tài)的助動(dòng)詞can modal verb 能夠Modal Verb Series 情態(tài)動(dòng)詞連用will modal verb 將modal verb construction 情態(tài)動(dòng)詞結(jié)構(gòu) 返回 modal verb