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现在完成时;现在完成时态;现在完成式
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The present perfect is covered in Unit 8.
现在完成时在第8单元讲解。
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'I have eaten' is the present perfect tense of the verb 'to eat', 'I had eaten' is the past perfect and 'I will have eaten' is the future perfect.
I have eaten是动词eat的现在完成时;I had eaten是过去完成时;I will have eaten是将来完成时。
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To grasp the usage of the present perfect tense.
掌握现在完成时态的用法。
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Talk about the uses of the present perfect tense.
表示过去发生的事对现在仍有影响。
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French tense to the present perfect tense in English.
法语中没有和英语的现在完成时完全对应的时态。