我们用现在进行时的否定形式来讨论。
We use the negative form of the PRESENT PROGRESSIVE to talk about.
帮助学生加强理解，老师应该概括归纳现在时的两种基本形式，就是一般现在时和现在进行时。
To facilitate understanding the teacher should outline that there are two basic present tenses one the simple and one continuous or progressive.
用括号里动词的现在进行时形式完成电话会话。
Complete the telephone conversation using the present progressive form of the verbs in brackets.
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