?1. 目的狀語從句表目的，其關(guān)聯(lián)詞有：
so, that, so that, in order that, in case, lest, for fear that等。
I gave you a map so you wouldn't get lost.我給你一張地圖,這樣你就不會(huì)迷路了。
They set off half an hour earlier that they might get there in time.他們?cè)绯霭l(fā)半小時(shí),以便及時(shí)到達(dá)那里。
I am saving money so that I can buy a house.我正在攢錢,以便買一所房子。
Would you add in these items,please,in order that we complete the list?為完成整個(gè)目錄的編寫工作,請(qǐng)你把這些條目加進(jìn)去好嗎？
Take warm clothes in case the weather is cold.穿上暖和的衣服,以防天冷。
I ran as fast as possible lest I should be too late.我盡量快跑,免得遲到。
We spoke in whispers for fear that we might wake the baby.我們輕聲說話,以免吵醒嬰兒。

2. 目的狀語從句中常用情態(tài)動(dòng)詞may/might,shall/should,will/would和can。
Bring it closer so I may see it better.把它拿近點(diǎn),我好看清楚。
I'll ring him up at once so he shouldn't wait for me.我馬上給他掛電話,讓他別等我了。
I will give you all the facts so that you can judge for yourself.我會(huì)給你所有的事實(shí)以便你可以自己判斷。

3. 目的狀語從句多置于主句之后。so that和in order that引導(dǎo)的從句如被強(qiáng)調(diào)則可置于句首。
We hid it carefully so that no one should see it.我們把它藏得很好,沒有人會(huì)看到的。
He did that in order that everyone should be satisfied.他那樣做是為了讓大家都滿意。
So that the coming generation can learn the martial arts,he has recently devoted much time to writing books on the subject.為了下一代能夠?qū)W會(huì)這些武術(shù),他近來花了許多時(shí)間著書立說。
In order that the grass and flowers could bloom again,it was necessary that the rocks should be removed. 為了這些花草能再開花,這些石頭必須搬走。

4. lest引導(dǎo)的從句中謂語動(dòng)詞要用虛擬語氣(should+動(dòng)詞原形)；in case引導(dǎo)的從句中謂語動(dòng)詞可用虛擬語氣,也可用陳述語氣。
Be careful lest you (should) fall from the tree.小心,不要從樹上掉下來。
Be quiet in case you wake the teacher.輕點(diǎn)兒,別弄醒老師。
Keep the window closed in case it rains.把窗戶關(guān)好,以防下雨。