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1·The present perfect is covered in Unit 8.

现在完成时在第8单元讲解。《牛津词典》

2·'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。《牛津词典》

3·To grasp the usage of the present perfect tense.

掌握现在完成时态的用法。

4·Talk about the uses of the present perfect tense.

表示过去发生的事对现在仍有影响。

5·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。

6·The present perfect is almost a kind of present tense.

现在完成时总是一类现在时态。

7·I have finished 'is an example of the present perfect.

“我已经完成了”是现在完成时态的一个例句。

8·When we use the present perfect, there is a connection with now.

当我们使用现在完成式时，是和现在有关联的。

9·You'll be able to use the present perfect tense for checking up.

你可以用现在进行时态去检查。

10·In this lesson, we will practice using the present perfect tense.

在这节课上，我们将要练习使用现在完成式。