英语动词时态是英语语法学习中一个重要的内容，但学生们常常容易错用时态。究其原因，主要是他们没有真正掌握各种时态的用法，不了解时态之间的差异。下面就学生们经常出错的一些时态进行比较并展开讨论。１．My father saw the film in the Film Town．My father has seen the film．两个句子都表示“看了电影”，却分别用了一般过去时和现在完成时。对于过去发生的动作，两个时态都能用。一般过去时表示“单纯的过去动作”，一般句中有表示过去的具体时间、地点或方式状语；而“强调过去的动作对现在造成的影响”应用现在完成时，只抽象地表示“曾做 English verb tenses are an important part of English grammar learning, but students often misuse tenses. The main reason is that they do not really grasp the usage of various tenses and do not understand the differences between tenses. Here are some of the tense mistakes students often make and compare. 1. My father saw the film in the Film Town. My father has seen the film. Both sentences indicate “watching the movie” but they used the ordinary past and present respectively. For the actions that occurred in the past, both tenses can be used. In the past, the “past past actions” were used. In ordinary sentences there are adverbial words that indicate the specific time, place, or mode of the past; and when the application “emphasizes the impact of past actions on the present” is now completed, it only abstractly means "had done