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This podcast explains where (and why) to use the past or the present tense (or the present perfect tense) of verbs in each part of a research paper. For example, should the Results section always be in the past tense? Which verb tense is correct for Figure Legends or Subheadings? Did you know that verb tenses can change within the same sentence? Even native-English authors of medical and science papers get the answers to these questions wrong!
写论文时不同的部分应该使用了哪个动词时态
这节播客讲解在研究论文的不同部分中使用动词的过去时或现在时（或现在完成时）的位置（和原因）。例如，结果部分是否应该总是使用过去时态呢？图例或副标题应该使用什么时态？您又知不知道：其实动词时态是可以在同一个句子中改变的？在医学和科学论文界里，即使是一些以英语为母语的作者也会错误地回答这些问题！