英语中兼有两种形式的副词：

1.close与closelyclose意思是\"近\"； closely 意思是\"仔细地\" He is sitting close to me. Watch him closely.

3.deep与deeply deep意思是\"深\"，表示空间深度；deeply时常表示感情上的深度，\"深深地\" He pushed the stick deep into the mud. Even father was deeply moved by the film.

4.high与highly high表示空间高度；highly表示程度，相当于much The plane was flying high. I think highly of your opinion.

6.free与freelyfree的意思是\"免费\"；freely 的意思是\"无限制地\" You can eat free in my restaurant whenever you like. You may speak freely; say what you like.