1、词性错误 1）名词与动词的误用
                           arrive - arrival sale - sell approval - approve

                      2）名词与形容词的误用
                          medicine - medical emotion - emotional politics - political
                      3）形容词与副词的误用 a、词汇的用法
                                                                hard - hardly high - highly free - freely
                                                           b、语法
2、易混词的误用

                     1）近形（或近音）
                          on the contrary - by contrast adapt - adopt confirm - conform desert - dessert emigrant - immigrant
                     2）近义
                          besides - except discover - invent noise - voice efficient - effective place - land job – work
                     3）近形近义
                           like - dislike / unlike late - later - latter - latest cross - across affect - effect continual – continuous
3、搭配错误