某人花費時間做某事（in可以省略）
Spend和take的區別
簡單的記住兩個句型就行： It take sb. sometime to do sth. spend on /spend doing 詳細解釋：
Spend: spend作動詞用，意思是“花費（錢、時間）；度過”。常與介詞on連用，短語spend…on…表示“在某事/物上花費錢或時間”。如： He spent a lot of money on books. spend…on后面通常跟名詞，若為動詞，要用spend, in doing sth花費財力或時間做某事。 如：I spent half an hour in 買粉絲pying the text. My mother spends an hour on the housework every clay.
take當“花費”講時，常用在句型It takes sb. some time to do sth中，它表示“花費某人一段時間做某事”。句型中的it是形式主語，不定式知語to do sth是真正的主語，take的形式隨時間狀語而變。如： It takes me two hours to do my homework every day. It took them ten years to finish the invention.It will take her three hours to get there by bike next time. 要表達“花錢買東西”可以用lost, pay和spend；要表達“花時間做某”可以用spend和take。 如：The jacket 買粉絲st him 98 yuan. He paid 98 yuan for the jacket. He spent 98 yuan on the jacket. She spends half an hour on English in the morning. It takes her half an hour to learn English in the morning.
例句
I had to spend some time doing last-minute rewrites.我不得不花一些時間作最後的改寫。
sb spend some time doing sth意思是：某人花時間做某事
spend some time to do不是固定詞組，這里的to do是目的狀語。spend sometime doing sth是固定詞組，意思是花費時間做某事。
重點詞匯解釋
spend
英 [spend] 美 [spend]
n. 預算；花銷
v. 花費；浪費；度過；用盡（氣力等）
The new law will put a lid on 買粉絲ernment spend.
新法律將限制政府開支。
短語
1、spend money 花錢
2、spend one's childhood 度過童年
3、spend one's life 度過一生
4、spend one's resources 用盡聰明才智
He spends an hour doing sports. （他花一個小時做運動）
I spend half an hour reading books.We spend ten hours on the job. （我們花十小時在工作上）
They spend ten minutes reading English. （他們花十分鐘讀英語）
It spends two hours playing with a dog. （它花十小時與一只狗玩）
I spend a minute looking for a pen. （我花一分鐘找筆）
She spends much money on clothes/buying clothes. （她花許多錢買衣服）
She spends little money buying books/on books. （她花極少錢買書本）
I spends a little money playing games/on games. （我花一些錢玩游戲）
He spends ten yuan buying toys. （他花十元買玩具）
My grandma spends a little money buying pumpkins. （我奶奶花一些錢買南瓜）