Bobby and Tina talk about the present for Mum.
波比和蒂娜谈论给妈妈的礼物。
Today, we are going to talk about the present perfect continuous tense.
今天，我们谈谈什么是现在完成进行时。
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。
We use the negative form of the SIMPLE PRESENT to talk about.
我们用一般现在时的否定形式来讨论。
We use the simple present tense to talk about facts and states.
我们使用一般现在时来谈论事实和陈述。
We also use the present perfect to talk about repeated actions in the past.
我们还使用此时态谈论过去重复的动作。
Talk about the uses of the present perfect tense.
表示过去发生的事对现在仍有影响。
We use the simple present tense to talk about facts and states.
我们用一般现在时谈论事实和状态。
We use the present continuous to talk about fixed future arrangements.
现在进行时用于表示安排好的将来动作。
We use the present continuous tense to talk about things that are happening now.
我们使用现在进行时谈论现在正在发生的事情。
We use the present continuous tense to talk about things that are happening now.
我们使用现在进行时谈论现在正在发生的事情。
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