將來(lái)完成時(shí)是用于表示在將來(lái)某一時(shí)間以前已經(jīng)完成或一直持續(xù)的動(dòng)作。將來(lái)完成時(shí)是由"shall/will + have +過(guò)去分詞"構(gòu)成的。?

首先我們來(lái)看幾個(gè)例句：

到現(xiàn)在我已經(jīng)學(xué)了3000單詞了。??I?have?learned?3000?words?by?now.?

到去年我已經(jīng)學(xué)了2000單詞了。?I?had?learned?2000?words?by?last?year.?

到明年的時(shí)候我就會(huì)學(xué)4000單詞了。?I?will?have?learned?4000?words?by?next?year.?

?

1、表示到將來(lái)某個(gè)時(shí)間為止勢(shì)必會(huì)完成或預(yù)計(jì)要完成的動(dòng)作。

如：?When?we?get?there,?she’ll?have?gone?to?work.??我們到那里時(shí)她會(huì)已上班去了。

I?expect?you?will?have?changed?your?mind?by?tomorrow.??我預(yù)料到明天你就會(huì)改變主意了。

例句：?

我已經(jīng)在這住了5年了。 I have lived here for 5 years.

截止到去年我已經(jīng)住在這4年了。 ?I have lived here for 4 years by last year.

到明年的時(shí)候我就住這6年了。 ?I will have lived here for 6 years by next year.

?

2、表示某種狀況將一直持續(xù)到說(shuō)話人所提及的某一將來(lái)時(shí)間。

如：?We?will?have?been?married?a?year?on?June?25th.??到6月25日我們倆結(jié)婚就滿1年了。

By?this?time?next?week,?I?will?have?been?working?for?this?company?for?24?years.??到下星期此刻，我就已經(jīng)為該公司干了24年了。

By next Monday,she will have studied here for three years.到下周一，她在這里學(xué)習(xí)就要滿3年了。

The concert will begin at half past eight.They will have played half an hour when you arrive.音樂(lè)會(huì)將在8點(diǎn)半開(kāi)始。你到達(dá)時(shí)，他們將已經(jīng)演奏半小時(shí)了。

?

3、表示對(duì)現(xiàn)在或?qū)?lái)可能已經(jīng)完成動(dòng)作的推測(cè)，對(duì)過(guò)去實(shí)況的推測(cè)。

He will have arrived by now.他這是可能已經(jīng)到了。

He is a somebody now.He will have forgotten his old friends.他現(xiàn)在是個(gè)要人了，可能把老朋友都忘了。

You'll have heard that China will launch another spaceship.中國(guó)將要發(fā)射另一艘宇宙飛船，你可能已經(jīng)聽(tīng)說(shuō)了。

?