'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。

But how much does that past relationship affect our dream of our future perfect?

我们都有一段不完美的过去。但是过去真地会影响未来的实现吗？

We use the future perfect tense to talk about an action that will be completed at a given time in the future.

我们用将来完成时态来形容一个在未来特定的一个时间已经完成的动作。

We use the future perfect continuous tense to talk about how long an action will be going on at a future time.

我们用将来完成进行时态来形容一个行动在未来特定的时间里已进行多久了。

Fill in the blanks with verbs given in the Simple Future, the Future Proguessive or the Future Perfect Simple.

用所给动词的一般现在时，将业进行时或将来完成时填空。