★ to的不定詞可用來說明「某人做某事的原因」。

I am going to the market to buy some food.

我要去市場買些食物。

On winter mornings I eat oatmeal to stay warm.

冬天的早晨,我會吃燕麥粥來保持溫暖。

 

★ 「for + 名詞」也可用來解釋「某人做某事的原因」。

He wants to buy a new suit for his interview.

他想要買套新西裝去參加面試。

She needs to get a second battery for her cell phone.

她需要買一顆手機的備用電池。

 

★「for + V-ing」則用來表示「東西的用途」。

A fax machine is for sending copies of documents over phone lines.

傳真機是透過電話線,傳送文件的複本。

FTP software is for transferring computer files over networks.

FTP 軟體可以透過電腦網路系統,傳輸電腦裡的檔案。

TIP:for 不能接不定詞。

 

★ 表達目的時,用「加 to的不定詞」或「for +名詞」的意義相同

I run every day to get some exercise. = I run every day for exercise.

我每天跑步是為了要運動。

He went to the health club to swim. = He went to the health club for a swim.

他到健身房去游泳。

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※本文節錄自《彩圖初級英文文法Let's See!【四版】(菊8K+解答別冊)

※延伸閱讀:

[講堂] color和colour

[講堂] garden和yard

[講堂] a.m和p.m


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