the teacher are talking with his students.they are talking about the jobs.这里的talk为什么加ing

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the teacher are talking with his students.they are talking about the jobs.这里的talk为什么加ing

the teacher are talking with his students.they are talking about the jobs.这里的talk为什么加ing
the teacher are talking with his students.they are talking about the jobs.这里的talk为什么加ing

the teacher are talking with his students.they are talking about the jobs.这里的talk为什么加ing
因为前面的句子用的是进行时态
the teacher are talking with his students.they are talking about the jobs
老师正在和学生谈话,他们谈的是工作.(此处talking表示他们正在谈,谈的内容是工作jobs)

正在进行时啊

是现在进行时态呀,它的结构是be +doing

现在进行时

现在进行时,用be doing 结构

现在进行时态 Be动词+动词ing形式

因为前面有系动词are,后面不能跟动词,所以把talk变成动名词talking。

be doing 表示正在做某事

be doing正在做

talk加ing表示现在进行时啊,正在谈论

这儿是talk的现在分词,和bede 形式一起构成现在进行时态