Complete the telephone conversation using the present progressive form of the verbs in brackets.
用括号里动词的现在进行时形式完成电话会话。
We use the negative form of the PRESENT PROGRESSIVE to talk about.
我们用现在进行时的否定形式来讨论。
Used with present participle to make progressive form.
与现在分词连用，做进行式。
Used with present participle to make progressive form.
与现在分词连用，做进行式。
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