精选优质文档-倾情为你奉上现在完成时和过去完成时【教学目标】由一篇疫情相关的文章引出本节课主题，先复习现在完成时的知识，再对比过去完成时的知识进行学习【教学重难点】教学重点：现在完成时和过去完成时的结构，常见标志词和现在完成时过去完成的区分教学难点：现在完成时和过去完成时的区分，如何区分和具体情境中的运用详讲Recently, an epidemic named new type of coronavirus pneumonia has spread widely among the population. All the infected people will have symptoms such as fever, cough, expectoration and fatigue. If it is serious, it will cause life danger. This virus was originally transmitted from Wuhan. But why did it spread from Wuhan?
